The industry that did the most to boost other industries in the 1920s was a. aviation. b. oil refining. c. automobile making. d. steel production.

How did the growth of the middle class affect social reform during the industrial revolution?

In the debate over independence, which of these are arguments a loyalist would have made? check all that apply.

Which statement best describes the response by the united states and its allies to the berlin blockade? planes dropped tons of supplies around the city each day. trucks smuggled tons of supplies into berlin about once a week. tons of supplies were delivered to west berlin by boats. tons of supplies were purchased from east berlin each day.