In the first half of the nineteenth century, the united states gained the most territory through:

In the first half of the nineteenth century, the number of immigrants increased, and the United States experienced

A. an increase in nativism.  CORRECT

B. an economic depression. wrong  

C. an rise in unemployment.  wrong

D. a decline in urban populations. wrong

the dust bowl, otherwise known as the dirty thirties, was a huge dust storm that killed multiple (and i mean  multiple) farmer's crops, leaving them homeless, and foodless, and jobless. in california, there were 5.7 million residents, and the population shrank as mexicans were repatriated. however, when the dustbowl happened, a lot of people began to move to california. by 1940, 250,000 people had arrived. therefore, your answer would be  the population increased, massively.  i hope this !

explanation:

a: her mother, brother, and father died

b: she lied when she didn't think people wanted the truth

c: a governess was mean to her

explanation: