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.

A.   The Oregon Country was divided between Britain and the United States at the 49th Parallel.

Explanation:

got it right no the test

before there were tanks, machine guns, windmills, and solar panels, the first civilizations emerged that create the history of humanity which provided the larger context for western civilization. uses of weaponry and technology were used very differently in the ancient civilizations than they are today. relating back to the times of the ancient mesopotamian civilization, technology kept advancing throughout the ancient egyptian civilization into the ancient greek civilization, and then finally the ancient roman civilization. as techniques and strategies were past down from civilization to civilization, each shared its own similarities, as well as varied differences. one trait they had in common was to commit violence and economically overpower one another. technology has ultimately advanced due to the knowledge transferred from generation to generation. uses of sophisticated weaponry and devices have created more opportunity for warfare and improvement in the work place. ancient civilizations became more powerful due to the advancements of technology. technology did not only create the use of violence, but it also the economies grow and become stronger, because production of trading goods rose like never before. the rivers, such as the nile, tigris, and euphrates all flourished, as well as destructed civilizations. each civilization had different uses for these rivers, however, some benefited more than others. when analyzing ancient civilizations, there   are things you must understand

explanation:

wooden bowls

furniture

carts

wheels

pottery

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-lavira: )