Problem: After the American Revolutionary War, the number and proportion of free people of color increased markedly in the North and the South as slaves were freed. Most northern states abolished slavery, sometimes, like New York, in programs of gradual emancipation that took more than two decades to be completed. The last slaves in New York were not freed until 1827. In connection with the Second Great Awakening, Quaker and Methodist preachers in the South urged slaveholders to free their slaves. Revolutionary ideals led many men to free their slaves, some by deed and others by will, so that from 1782 to 1810, the percentage of free people of color rose from less than one percent to nearly 10 percent of blacks in the South.
What caused Quaker and Methodist preachers to want to free slaves?
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Answer: Second Great Awakening

Problem: The exact causes for the development of a particular sexual orientation have yet to be established. To date, a lot of research has been conducted to determine the influence of genetics, hormonal action, development dynamics, social and cultural influenceswhich has led many to think that biology and environment factors play a complex role in forming it. It was once thought that homosexuality was the result of faulty psychological development, resulting from childhood experiences and troubled relationships, including childhood sexual abuse. It has been found that this was based on prejudice and misinformation.
What has the research that has been conducted for the influence of genetics made many people think?
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Answer: that biology and environment factors play a complex role in forming it

Problem: Two major extant branches of Buddhism are generally recognized by scholars: Theravada ("The School of the Elders") and Mahayana ("The Great Vehicle"). Vajrayana, a body of teachings attributed to Indian siddhas, may be viewed as a third branch or merely a part of Mahayana. Theravada has a widespread following in Sri Lanka and Southeast Asia. Mahayana which includes the traditions of Pure Land, Zen, Nichiren Buddhism, Shingon, and Tiantai (Tendai) is found throughout East Asia. Tibetan Buddhism, which preserves the Vajrayana teachings of eighth century India, is practiced in regions surrounding the Himalayas, Mongolia and Kalmykia. Buddhists number between an estimated 488 million[web 1] and 535 million, making it one of the world's major religions.
What is the estimated number of Buddhists in the world?
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Answer:
488 million[web 1] and 535 million