During the 1930's, franklin roosevelt was the first president to use the medium of radio to reach a mass audience in his fireside chats. why was it so important that roosevelt be such an effective communicator?

What caused the united states to side with britain during world war i?

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.

Ahistorian who compares the expansion of political systems to the expansion of economic systems is organizing history by