4.3 Columbian Exchange

4.3 Columbian Exchange

By Isiah Jones

​Essential Question: What were the causes of the Columbian Exchange and its effects on the Eastern and Western Hemispheres?

Open Ended

How does the mention of “expelling the Jews” reflect a broader trend in 15th-century Spain?

Open Ended

Which two European motivations for exploration are most evident in this excerpt?

Open Ended

Based on Columbus’s goals, what two consequences might his voyages have for indigenous peoples in the Americas?

4.3 Columbian Exchange

SWBAT: Explain the major causes and effects of the Columbian Exchange by analyzing changes in disease, food, animals, labor systems, culture, and the environment.

​APWH Themes:

• ENV (Humans & Environment)

• ECON (Economic Systems)

• CDI (Cultural Developments & Interactions)

​Historical Thinking Skill:
Causation — Explain how and why the Columbian Exchange produced dramatic demographic, ecological, economic, and cultural changes.

Columbian Exchange Key Terms

• Columbian Exchange — The transfer of plants, animals, people, diseases, and ideas between the Eastern and Western Hemispheres after 1492.

• Smallpox — A deadly European disease that caused massive population decline among Indigenous Americans.

• Conquistadores — Spanish conquerors who invaded Indigenous empires in the Americas.

• Maize — An American crop (corn) that increased global population after being brought to Europe, Africa, and Asia.

• Sugarcane — A profitable cash crop that fueled plantation economies and increased demand for enslaved labor.

• Transatlantic Slave Trade — The forced transport of millions of Africans to the Americas for plantation labor.

• Engenhos — Harsh and highly productive sugar plantations/mills in Brazil.

• African Diaspora — The spread of African peoples and cultures across the Americas due to slavery.

Multiple Choice

Why did smallpox cause massive death among Indigenous Americans?

• Smallpox was a common disease among Indigenous Americans.
• Smallpox was primarily spread by local wildlife.
• Indigenous Americans had no immunity to smallpox, leading to massive deaths.
• Indigenous Americans had advanced medical treatments for smallpox.

Multiple Choice

Why did sugarcane increase demand for enslaved African labor?

• Sugarcane plantations required intensive labor, leading to increased demand for enslaved African labor.
• Sugarcane cultivation required minimal labor efforts.
• Sugarcane was primarily harvested by local farmers.
• The demand for sugarcane decreased during this period.

Multiple Choice

What was a major global effect of maize?

• Decreased agricultural diversity and soil depletion.
• Increased reliance on imported crops and food shortages.
• Reduced nutritional value of staple foods worldwide.
• Increased food security and population growth globally.

Multiple Choice

What best describes the African Diaspora?

• Global spread of African cultures due to slavery

• The African Diaspora signifies the cultural exchange between Native Americans and Africans.
• The African Diaspora is the historical movement of European settlers.
• The African Diaspora refers to the migration of Asian communities worldwide.

Multiple Choice

Why were Portuguese engenhos historically significant?

• They played a minor role in the textile industry of Europe.
• They were used primarily for coffee production in Africa.
• They were mainly involved in the trade of spices in Asia.
• Highly efficient—and deadly—sugar mills

Jigsaw Instructions

1. Whole-Class Reading (Everyone)

Read the Introduction: The Columbian Exchange
Focus on:

• Causes of the Columbian Exchange

• Major categories of effects (disease, food, labor, culture, environment)

2. Pair Assignments (Numbered 1–5)

Pair 1: Diseases & Population Collapse
Pair 2: Animals & Foods
Pair 3: Cash Crops & Forced Labor
Pair 4: African Presence in the Americas
Pair 5: Environmental & Demographic Impact

Jigsaw Instructions

Step 1 — Read Your Assigned Section

Annotate causes, effects, and key terms.

Step 2 — Complete Cornell Notes

Fill in:

• Key developments

• Major causes/effects

• Key terms

Step 3 — Prepare a 30–45 Second Share-Out

Your share-out must include:

• 1 Cause

• 1 Effect

• 1 Key Term

• 1 Big Idea (Why this matters for the Columbian Exchange)

Group Share-Out + Class Notes

Share-Out Order

1. Diseases

2. Animals & Foods

3. Cash Crops & Forced Labor

4. African Presence

5. Environmental Impact

Class Task

As each pair presents,
👉 add missing information to your Cornell Notes.

Open Ended

Which category of the Columbian Exchange—disease, animals/foods, forced labor, African cultural transfer, or environmental change—had the most significant long-term impact, and why?

Open Ended

Which category of the Columbian Exchange—disease, animals/foods, forced labor, African cultural transfer, or environmental change—had the most significant long-term impact, and why?

Exit Ticket & Criteria for Success

📘 Exit Ticket — The Columbian Exchange (Charles C. Mann)
Answer all parts in complete sentences, using evidence from the documents.

1(A) Identify ONE cause of the Columbian Exchange from Mann’s text.
1(B) Explain ONE effect Mann highlights and how it changed either the Eastern or Western Hemisphere.
1(C) Explain ONE way the Columbian Exchange reshaped global economic, environmental, or demographic patterns.