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online content: site 1

study the us census chart. the first "total" column describes the number of immigrants in the us at the time of the census. the "region of birth" columns detail where these immigrants were born and where they most likely emigrated from. what was the trend in immigration and birth region between 1900 and 1990? (site 1)

There are several reasons why it might be a good idea to write down your ideas and discoveries when you perform initial research on a topic. First, when you begin your research, you might get a lot of questions and doubts because you are not familiar with the topic. If you write these down, you are more likely to seek answers to these questions later on and gain a better understanding of them. Second, your initial ideas might not be all good, but they might lead you towards a good thesis. Writing them down ensures that these are not lost. Finally, by writing down your ideas and thoughts you actively engage with the subject, leading you to a better understanding of it.

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Explanation:

answer; i had to look this up and the only one i found was(last only 15 minutes) plz check first and good luck;

i think it's b or c hope this