How did nato demonstrate the principle of collective security?

Which of these events related to the protestant reformationoccurred first in 1521?

During the early neolithic era, people relied on domesticated animals to provide each of the following except a. hides for clothes b. labor to pull plows c. manure for the soil d. meat, cheese, and milk for food

Brainliestt asap!me : ) describe the difference : capitalism vs. communism