In my opinion it’s B, as it is very important to stay safe in the country no matter what.
D- protecting them from foreign countries
Answer: Rituals can serve many purposes. They can calm our anxiety or increase our confidence. They can ease our grieving or strengthen our relationships with one another. In the face of uncertainty or tragedy, the familiar structure of a ritual has been found to help return a sense of control
Explanation:
I believe the answer is Shaping.
Shaping is a reinforcement technique which use a reward that given gradually after the subject is showing a certain desired traits.
On parakeets, this could be done by giving them a food reward everytime they move their head closer to the place where we want it to be (closer to your cheek)
Answer:
the answer is is d. they used fire,portable huts and animal furs to stay warm