It helps you better understand the orgins, or the reasons for which the author chose to make something happen, or chose the setting. There are quite a few reasons why it's important. Mostly, it allows a better understanding of why the author chose what they did for the story
The Confederates were able to face many problems except the
centralization of power. During the time of President Davis, he was able to
centralized man power and an army, however there are some Southern governors
who wished to keep some of their man power and army. Davis was not able to persuade
the governors due to the state rights being implemented.
Answers:
Jackson vetoed the bill arguing that it was unconstitutional. Clay and Webster's plan had backfired. Jackson's veto of the bill actually was supported by the people and he was re-elected.
Answer:
Yes, submarines were used in WW1
Explanation: Submarines were first widely used during World War I (1914–1918), and are now used in many navies large and small.