Westward Expansion Increases

What caused lung disease among miners?

• Dirty water

• Dusty air

• Virus

What was the main reason for the high demand for beef in the East?

• Growing economy and population

• Import bans

• Decrease in cattle population

Where did cowboys herd cattle to?

• Rivers

• Plains for grazing

• Forests for protection

What was the purpose of herding cattle to the northern plains?

• For grazing (fresh grasses to eat)

• For breeding

• For shelter

What was one consequence of the booming cattle business?

• Decreased competition for land

• Increased competition for the open range

• Less need for barbed wire

What did the Pacific Railway Acts provide to railroad companies?

• Free labor

• Loans and large land grants

• Free construction materials

How many acres of public land did Congress grant to railroad companies?

• 5 million acres

• 100 million acres

• 131 million acres

What did the government ask the railroads to carry at a lower cost?

• Passengers

• U.S. mail and troops

• Food supplies

What harsh condition did the Union Pacific workers face on the Great Plains?

• Insects & Cicadas

• Harsh weather

• Dense forests

What color represents the Union Pacific line on the map?

• Blue

• Red

• Green