Question

which of the following events caused americans to move west right away?

a. the civil war

b. the mexican - american war

c. the discovery of the pacific ocean

d. the 1848 discovery of gold in california

Explanation:

• Option A: The Civil War (1861 - 1865) was about the Union and Confederacy, not a direct cause for immediate westward migration.
• Option B: The Mexican - American War (1846 - 1848) resulted in territorial gains, but the immediate mass westward movement was more due to gold.
• Option C: The discovery of the Pacific Ocean (by Europeans like Balboa in the 16th century) was not a cause for 19th - century American westward migration.
• Option D: The 1848 discovery of gold in California led to the California Gold Rush, which caused a huge and immediate influx of Americans (and others) moving west to seek gold.

Answer:

D. The 1848 discovery of gold in California