How did the lives of African Americans change in the 1800s Politically, Socially, and Economically? Paragraph for each please

The roosevelt corollary, issued in 1904, was a revision to what earlier statement of u.s. foreign policy?

Which answer best describes an advantage of shipping goods by canal? a) most towns would rather have canals then noisy railroads b) goods could travel very fast downstream in the canal system c) traveling by boat is a much more relaxing way to transport goods. d) heavy loads of goods could travel by boat more easily then if pulled by horses.

Can someone me write a paragraph on this topic i feel confused