Which statement best describes the history of segregation in professional baseball? a)it began in 1947 and continues today. b)it began by 1890 and continued until 1947. c)it began after 1890 and ended in the 1920s. d)it was never completely segregated.

The  exclusion of African Americans in professional baseball (major and minor leagues) is known as the Baseball color line. It began by 1890 and continued until 1947. Until 1947 black people had separated leagues called the Negro leagues, a key moment in the inclusion of black, Hispanic and Native American players was when Jackie Robinson signed a contract with the  Brooklyn Dodgers.

which statement explains one of the reasons world war 1 was so much more destructive than earlier conflicts

roosevelt essentially took the opposite approach as hoover in taking on the great depression. herbert hoover thought that america and its economy could naturally recover from the depression in due course, so he adamantly restrained the federal government from intervening on behalf of the people affected. on the other hand, roosevelt dramatically increased employment by expanding the federal government and establishing agencies that would aid in relieving some of the country's worst problems.