What authority did president Lincoln have to talk to soldiers in the field

"lincoln stretched the powers of the nation's chief executive further than any other previous president. Lincoln invoked the commander in chief clause of the constitution-"

Explanation:

congress failed to remove johnson. but it did succeed in getting control of efforts to re-build the south following america's civil war. radical republicans wanted to punish the south for starting the war. they also wanted to be sure new governments in the southern states would support the republican party.

b. the passage of the equal rights amendment  

explanation:

this mean that anything that someone else could do they could do