In the period 1865 to 1910, the immigrants faced many challenges and also embarked in the opportunities available to them in the North and the West. The main challenge was related to job hunting. I hope my answer has come to your help. God bless and have a nice day ahead!
The answer for this would be B and C
In 1914, many Americans believed that the Monroe Doctrine encouraged them to follow a policy of "protectionism", since this doctrine stated that any further efforts by European nations to colonize the Americas would lead to an American retaliation.
