4.
paleontology since it is the branch of science concerned with fossil animals and plants.
I think that this is because Germany is struggling with the legacy of the Second World War, when they caused a lot of suffering, lead to the death of many people and forced many to become refugees. By being more open to refugees I think Germany is trying to amend for the wrongdoings from the past.
The correct answer is
<span> To summarize the paragraph and introduce the main idea
It is a summarization because it states that there was a reason that was mentioned before and the summarization is that it is why they should be considered the best pet ever. Also, the main idea that they are the best pets ever were probably mentioned before too.</span>
It was enforced by Lincoln's administration
