The US and the Soviet Union
<span>imperialist expansion
its the best answer</span>
1) First modern credit card introduced. 2) First organ transplant. 3) First "peanuts" cartoon strip introduced. 4) Korean war begins. 5) Senator Joseph Mccarthy begins communist witch hunt. 6) U.S president Truman orders construction of Hydrogen bomb. Hope this helps :)
The study of historical writing
"Separation of Powers" is the one principle among the choices given in the question that <span>was included in most state constitutions.</span>
