Which best describes how arkwright and other entrepreneurs influenced the industrial revolution?

a. they invested in skilled workers who made up cottage industries.
b. they created new inventions that were put to use in factories.
c. they offered many skilled jobs to people of all classes.
d. they provided high-paying jobs to working class people.

Which four of these developments were made under mongol rule during the pax mongolica? the extension of the grand canal in china the spread of christianity the spread of weapons that used gun powder the invention of new medicines the establishment of a postal system the invention of geometric models of lunar motion

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.

2. what was the dred scott decision about? what do we learn from this supreme court case?