HELP PLS! Why was Lincoln’s suspension of habeas corpus legally questionable?

1- The Constitution forbids the suspension of habeas corpus.
2- Suspension required a nationwide referendum.
3- Each state decides the right to suspend habeas corpus.
4- Only Congress had the right to suspend habeas corpus.

Only Congress had the right to suspend habeas corpus.

Explanation:

Considering the available options, Abraham Lincoln’s suspension of habeas corpus legally questionable because "Only Congress had the right to suspend habeas corpus."

This is evident when the then federal circuit court judge, Chief Justice Roger B. Taney, issued a ruling, known as ex parte Merryman, refuting the president’s authority to suspend habeas corpus. Taney claimed that Lincoln’s suspension of habeas corpus was an interference with civil liberties and it is only Congress that have the power to suspend the writ, of which Abraham Lincoln is just a President with executive powers.

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation: