Which renaissance artist also filled notebooks with plans for flying machines and armored cars, observations of plants and animals, and anatomical drawings of the human body?
a. cosimo de' medici
b. masaicco
c. lorenzo gheberiti
d. leonardo da vinci

hhebeueubevcje. he. me. e beben

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation:

to protest slavery i would think it would be a