They are elected by the people or citizens.
The correct answer is:
B. Relocation to suburbs.
Relocation to suburbs has been a constant of urban life since the early 1900s.

Well, to answer your question your answer is going to be Abraham Lincon, James A. Garfield, William Mckinley, and also John F. Kennedy.
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James Garfield was assasinated
Answer:
Explanation:
The Mexican-American War, waged between the United States and Mexico from 1846 to 1848, helped to fulfill America's "manifest destiny" to expand its territory across the entire North American continent.