In 5 sentences, what is the main idea of the trail of tears and why is important to learn about?

The main idea of the Trail of Tears in 1838 and 1839 was to force the Cherokee nation to give up its land in the Mississippi river and migrate to present Oklahoma, as part of Andrew Jackson's Indian removal policy, this way the white settlers could grow cotton on the Indians land. It is important to learn about it to enforce the laws and protect the rest of the indigenous civilization in modern days

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.

hey i did something like that before, what is the quesiton?