Which of the following best describes the importance of checks and balances for the untied states following the american revolution?

I need the following, but the best answer I'd give you right now is that without it, we'd have to go back to trading and stuff like that. Checks gives us things to work for so we don't tire ourselves out for someone else and get nothing in return.

d. the great plains       hop3 this yo

"a shortage of traditional labor created new opportunities in the workplace. a major cause of the internment of japanese americans during world war ii was. racial prejudice. in the early 1940's, the "destroyers-for-military-bases deal" with great britain and the lend-lease act were evidence that the united states."