He didn’t even teach this

See below:

Explanation:

The answer is A; The universe was seen as heliocentered which means that everything revolved around the sun.

Before we knew the sun was at the center, everyone accepted Ptolemy's idea; the Earth was at the center of the universe and everything revolved around it

Galileo challenged this, but, the church, which was powerful at the time, shut him down and forced him to stop.

Later on, during the revolution, they realised he was right and that the sun was at the center of the universe.

Have a nice day!

a.

Explanation:

a. They led to a new conception of the universe as heliocentric.

All the other options are stating incorrect information.

health and medicine because people are dying from not being healthy or not strong enough medicine

answer: ensure protection from communism

explanation:

the north atlantic treaty was largely dormant until the korean war initiated the establishment of nato to implement it, by means of an integrated military structure: this included the formation of supreme headquarters allied powers europe in 1951, which adopted the western union's military structures and plans.