It affected their social lives, and there was very little trade between the two regions (the only ones around.) They also needed many people. They developed irrigation and drainage systems which caused many people to work.
Its kinda confusing maybe try putting a pic to understand better
Lusitania was primarily used to ferry people and goods across the Atlantic Ocean between the United States and Great Britain. The sinking was important because
Its sinking caused moral outrage both in Britain and in the US and led, ultimately, to the USA declaring war against Germany.
The north and the south where divided in many ways one of the more common known being the north was really against slavery another was actually taxes which caused the south to threaten succession and another was the election of Abraham Lincoln and so on