Answer:
For instance by not getting involve with foreign problems isolationism promotes peace in the country. Therefore it allows the government to focus more on needs of the country. Isolationism will prevent contry to get into others conflicts and no soldiers will lose their life in the battle.
b.) powers that allow the each branch to curb the others
I believe that the answer is Mesopotamia, China, Egypt, and India.
Use order of operations and a little bit of trial and error. PEMDAS Parenthesis exponents multiplication division addition subtraction. place parenthesis around two sets of numbers and then carry out the order of operations to get the answer. If you still need help leave a comment.
A) he dreamed of a uited italy & took the first steps to achievig it