The U.S. women’s rights movement first emerged in the 1830s, when the ideological impact of the Revolution and the Second Great Awakening combined with a rising middle class and increasing education to enable small numbers of women, encouraged by a few sympathetic men, to formulate a critique of women’s oppression in early 19th-century America.
Explanation:
a )they help historians focus on the effect of one important idea on different societies over time
Martin Luther Kind Jr or MLK Jr was a social activist as well as a Baptist minister. Martin Luther King Jr played an important role in the American Civil Rights movement. He was born on January 15, 1929. Unfortunately MLK was assassinated in April 4, 1968. He died at the age of 39.
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The eye witness’s writing is a primary source, and therefore more reliable than a play written about it, which might be changed to make the play more interesting
The answer to this question is A. Jet streams
Jet streams are located near the altitude of the upper troposphere. It's a movement of wind that travels from one side of the planet hemisphere to another. The movement of jet streams will bring up different temperature of air which could influence the weather that exist in certain regions.