How did Senator McCarthy use people's fears to attack constitutional rights of American citizens?

Two books are used to model tectonic plates

How did the life of sharecroppers affect their children? children went to school because the farms were small, with little work, children had to work on the farm, so they rarely went to school children learned skilled professions as they worked around the farm. children left home when they became adults because the land wasn't theirs.

Why did the united states pass the neutrality acts