Which of the following best describes the reason the united states became involved in vietnam

During the cold war, which of the following groups of countries would have all been"behind the iron curtain"

What was true about sharecropping? a. landowner provided free tools and seeds.b. workers could leave the land if they failed to make money.c. landowners often took advantage of workers.d. workers received ownership of the land they farmed after a set number of years.

Jacksonian democracy promoted new methods of political campaigning. one such technique was mudslinging. what was its effect on the presidential candidates?