It was used as an engine in locomotive trains, & also in steam boats. it also helped create electricity which allowed things such as morse code & synchronization of the world’s clocks.
Answer:
D
Explanation:
The caste system affects indians both socially and economically because (socially) you cannot interact with others outside your class/ marry outside your class and (economically) since which caste you are in determines your career options
There were many reasons why the Harlem Renaissance held such significance in US history despite its fading influence during the Great Depression, but the main reasons is because it introduced whites to black culture.
B: Japan was prevented from invading Australia.
The power to declare war
Congress declares war.
Hope this helps:)