Throughout American history, why did we get into foreign conflicts?

How did the crop lien system trap some farmers in a cycle of debt

In vernonia school district v. acton, the school district argued that a drug test was illegal under any circumstances. no student could refuse to take a drug test. drug tests were not given at random. drug testing was necessary to protect all students.

After the civil war which president was called a "carpetbagger"? a.lincolnb.johnsonb. grant