To answer your first question, early Muslim women were treated with respect and had the same amount of rights as men. for example, they could own property, gain an education etc. for example, Khadijah the wife of Prophet Muhammad was a very successful businesswomen in trade.
second question: as Islam spread, people intertwined their culture with Islam. for example some people believe that in islam women are not allowed to pick their own husband and instead have an arranged marriage. however this is a cultural belief, common in places such as Bangladesh and Pakistan.
The United States purchased the 530 million acres of land from the French in 1803 for $15 million dollars, after interest it was more of $23 million. The area included Arkansas, Missouri, Iowa, Oklahoma, Kansas, Nebraska, Minnesota south of Mississippi River, much of North Dakota, nearly all of South Dakota, northeastern New Mexico, northern Texas, the portions of Montana, Wyoming, and Colorado east of the Continental Divide, and Louisiana on both sides of the Mississippi River, including the city of New Orleans
On 27 January 1945, Auschwitz concentration camp—a Nazi concentration camp where more than a million people were murdered—was liberated by the Red Army during the Vistula–Oder Offensive. Although most of the prisoners had been forced onto a death march, about 7,000 had been left behind.