How did steam locomotives lower the cost of transporting raw materials and finished goods?
a. they cost nothing to run because they ran on steam.
b. they could transport many materials or goods at once.
c. they were uncomplicated and inexpensive to build.
d. they were safe and cut the chance of costly accidents.

Identify three different reasons of why people have had to migrate and give examples to justify your reasons. use 3-6 sentences to explain your response.

Who gave the famous "i have a dream" speech at the march on washington?

Which best describes the“brain trust” franklin roosevelt promised to make part of his administration? a group of america’s most successful businessmen, who would fix the economya group of hoover’s economic advisers, who would undo previous damage to the economya group of smart advisers, who would assist roosevelt in guiding the nation forwarda group of military veterans, who would assist roosevelt in putting americans back to work