Washing away of essential nutrients from the soil

A large waterfall or rapid

Produce enough for own needs with little or no extra.

African social system based on the year you were born.

Movement to end slavery.

Scattering of People.

Refusal to trade with another country to get it to change.

Use of hit and run tactics.

Descent from a common ancestor.

A policy of extending a country's power and influence through diplomacy or military force.

Belief in many gods.

The weather conditions prevailing in an area in general or over a long period.