Answer:
D. The federal government can only function effectively if it has the ability to collect taxes.
Answer:
a) True
Explanation:
Human behavior is extremely complex. Decades ago, researchers thought that behavior was only learned through rewards and punishments. However, after observations and experimentation, they determined that humans are also able to learn through observation. They demonstrated that we are able to learn by observing another individual, which leads to an extremely important part of our culture: imitation.
Imitation occurs in both humans and some species of animals and, although there isn't much research on this area, researchers believe it could be a sign of intelligence.
<span>Mesopotamia means “the land between the rivers” in Greek.
those rivers are Tigris and </span><span>Euphrates</span>
Answer: The settlers insisted on sharing the land.
Explanation: please mark me brainliest if this helped
