EASY POINTS & GIVING BRAINLIEST ALSO! JUST ANSWER THE QUESTION AND NO COPIED AND PASTED ONLINE! QUESTION: THE PICTURE IS BELOW IT BTW

I think it is part of the Louisiana purchase and the river is the Mississippi River

Explanation:

In 1803 the United States bought the Louisiana claim for about 15million dollars for the purpose of expanding the U.S into unknown lands

The Mississpippi river is the second longest river in the U.S and streches  over 2318 miles

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in the 1800s, chinese workers migrated to the united states, first to work in the gold mines, but also to take agricultural jobs, and factory work, especially in the garment industry. chinese immigrants were particularly instrumental in building railroads in the american west, and as chinese laborers grew successful in the united states, a number of them became entrepreneurs in their own right. as the numbers of chinese laborers increased, so did the strength of anti-chinese sentiment among other workers in the american economy. this finally resulted in legislation that aimed to limit future immigration of chinese workers to the united states, and threatened to sour diplomatic relations between the united states and china.