What authority did Lincoln claim for enforcing laws
in the states that have seceded?
The rights of the states
The authority of the Constitution
The will of the people

The authority of the Constitution

Explanation:

Lincoln tried to go under Martial law, but was denied by the Court. Martial law falls under habeas corpus which is written in article one of the Constitution.

after the roman empire, the catholic church began to unify by taking on many duties of a government.

the  equal rights amendment  (era) states: "equality  of  rights  under the law shall not be denied or abridged by the united states or by any state on account of sex." congress first introduced the era in 1923, but the campaign for ratification took off in the 1960s during the  civil rightsmovement.