Answer: B. It represents the main route for settlers moving into the Oregon Territory.
Explanation:
In the early 1800s Americans were encouraged to stretch the USA from the east coast to the west coast in what was called the Manifest destiny. The line above aided in this venture as it enabled people to reach Oregon to the west of the United States.
Rightfully named the Oregon Trail, the line went through four states and allowed hundreds of thousands of people to move to Oregon and other areas in western USA thereby paving the way for the assimilation of those territories into the United States.
The people of Maryland had a long tradition of slave-holding andties to the south. They wanted to secede from the Union, butPresident Lincoln would not allow it. Maryland surrounded thecapital of the US on three sides and if they seceded, the capitalwould have to secede also.
They are farming FRESH WATER algae so I would say Seaweed
Sea can grow in Fresh water
The Great Liberator of South America was Simon Bolivar. He was responsible for the secession of Venezuela, Boliva, Colombia, Ecuador, Peru, and Panama from the Spanish Empire