Passed by Congress June 4, 1919, the 19th amendment granted all women the right to vote. It took many generations to get to this point, but women worked hard. Through making suffrage groups for women, or even marching, women worked to have the right to vote.
It is the income per man hour
The law changes because people were disagree about it and there's big difference from now
I the early 1800s most Americans still lived along the Eastern side of North America. The midwest was considered the Frontier.
Modern weapons would be considered the aspect of the war that causes the largest amount of casualties. The world feared that a Cold War would eventually trig ger another world war wherein the progressive production of nuclear bombs between the superpowers of the United States and Soviet union would lead to huge casualties across the globe.