Some of the material could be on a pop quiz the nex day. Or you could be in sports on the way to your game, and you know you have a test the next day. (perfect time to study)
The four pillars of Reagan's economic policy were to reduce the growth of government spending, reduce the federal income tax and capital gains tax, reduce government regulation, and tighten the money supply in order to reduce inflation. The results of Reaganomics are still debated.
Nobles and knights were obliged to protect those who lived on the manor and provide personal and military service to the king.
Answer: Its the third option The United States Colored Troops Regiments
Hope it helps :)