There are two options that fits to be correct. But I guess you need only one. So my answer is <span>a. to place the US Army and Navy in one executive department.</span>
Answer: Migration (B)
Explanation: It's not population growth because it means the increasing population of a place.
Not immigration because it means coming to live in another country permanently.
And lastly, not deportation because it means the removal of a foreigner for violating an immigration law
The "new immigrants" who immigrated to the United States after the Civil War primarily came from all of the following countries except "Poland", since the other three nations from the list were far more prominent.
White Americans are the only ethnic group to not be discriminated against based on race in the United States.