How did this map change following the treaty of washington in 1846?

the oregon country was divided between britain and the united states at the 49th parallel.
the oregon country was split into the washington and oregon territories using the 49th parallel as the new boundary.
the boundary between the oregon country and mexico was shifted from the 42nd parallel to the oregon trail route.
the portion of the oregon country below the 49th parallel became part of mexico, while the portion above the 49th parallel became part of great britain.

Brainliesttt !me : ) what brought about the end of the soviet union?

What was the main point of helen hunt jackson's book, century of dishonor? a.it showed how unfairly american settlers were treated by the us government. b.it proved that american government was not responsive to the will of the people. c.it made the point that free land was no longer available to new settlers out west. d.it outlined the poor treatment of the native americans by the government.

During the industrial revolution, many governmentsadopted an economic system called capitalism. in thissystem, governments allowed businesses to operate asfreely as possible, capitalism led to economic growth inmany countries and a small number of peoplebecome very wealthy. however the system could be harshfor poor workers, who often worked long hours in unsafeconditions just to make enough money to eat. as a result,some workers turned against capitalism and demandedthat their governments take more control over theireconomies.which statement best describes the passages main idea? a. capitalism was beneficial for some people during the industrialrevolution, but others opposed the system.b. capitalism was mostly a cause of problems during the industrialrevolution, which led to its eventual collapse.c. capitalism became the favored economic system for manycountries during the industrial revolution.d. capitalism was to countries during the industrialrevolution, but became a problem after the revolution ended.edit: correct answer is a