Question

1. Which happened first?

a. Settlers rushed to California to find gold.
b. The Pony Express was started.
c. The train line to California was finished.
d. The first telegraph line to California was finished.

Answer 1

a. Settlers rushed to California to find gold.

Step-by-step explanation:

The movement of settlers to California to find gold is known as California Gold Rush, which started in 1848, and ended in 1855. The gold was found by James W. Marshall at California that allowed the migration of settlers to California.

The California Gold Rush is known as America's largest mass migration in which around 300,000 people move to California.

Hence, the correct option is a. Settlers rushed to California to find gold.