Which organization did world powers create immediately after world war 2

What is the title of the head of thr department of defense?

Which are in millennium development goals check all that apply

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.