Which controversial action did President Lincoln take early in the Civil War that limited the rights of certain U. S. citizens?

The controversial action that President Lincoln take early in the Civil War that limited the rights of certain U. S. was:

He issued the Emancipation Proclamation.

Explanation:

It was issued when the American warfare (1861-65) began, President attorney fastidiously framed the conflict as regarding the preservation of the Union instead of the abolishment of slavery. though he in person found the observe of slavery repugnant, he knew that neither Northerners nor the residents of the border slave states would support abolishment as a war aim. however by mid-1862, as thousands of slaves fled to hitch the invasive Northern armies, Lincoln was convinced that abolishment had become a sound military strategy, furthermore because of the virtuously correct path.

Lincoln suspended the writ of habeas corpus. Lincoln was concerned about keeping Maryland, a slave state located near the nation; s capital, n the union, so he suspended the writ of habeas corpus, an action that brought widespread criticism.