This is my science hw guys help me on my project I will be giving extra points if it’s good:(( and the red is the page 202 read plz :((

What do you think was a drawback to this method of calculating distance

Why were chinese american immigrants frequently detained when trying to immigrate through angel island? the rules for immigration were stricter at this checkpoint due to health issues that were prevalent among asian populations at this time. the location of the island was difficult to reach, and ships to the mainland were often prevented from sailing more than once a week. immigration agents were notorious for asking immigrants confusing questions as a means of denying them entry. low wages caused a shortage of immigration officials, so many immigrants had to wait weeks or months before their applications were processed.

The northwest ordinance guaranteed three rights for the settlers of the northwest territory. what were they?