What Was the Most Important "Pull Factor" in Westward Migration

question 15

Multiple Choice

What was the most important "pull factor" in westward migration in the early-nineteenth century?

• A) the attractive price of western lands
• B) overpopulation in the East
• C) gold and silver strikes west of the Mississippi River
• D) a desire for freedom and adventure

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Definitions:

Serous Membrane

A thin layer of tissue that covers internal body cavities and secretes a fluid to reduce friction from muscle movement.

Pericardium

A double-layered sac surrounding the heart, providing protection and reducing friction during heart movements.

Deoxygenated Blood

Blood carrying a lower concentration of oxygen, typically returning to the heart and lungs for oxygenation.

Left Ventricle

The chamber of the heart that receives oxygenated blood from the left atrium and pumps it out to the body through the aorta.