What did the land grant college act of 1860 to establish

that provided grants of land to states to finance the establishment of colleges specializing in agriculture and the mechanic arts

Land grants for the establishment of colleges of agriculture and mechanical arts were also later given to U.S. territories and the District of Columbia. ... The Second Morrill Act, which provided for annual appropriations to each state to support its land grant college, was passed by Congress in 1890.

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i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

the answer is aggresion hope this and mark me as brainiest and add me as friend