John brown was a abolitionist who made the bleeding Kansas and made the north and south more tense
Pope Urban II calls the first crusade - this event was caused as Byzantine Emperor Alexius I made an appeal to Urban for assistance. Urban united Christian Europe to fight against the Turks to take back the Holy Land.
Urban degraded Muslims in speeches with exaggerating stories of anti-Christian acts, giving the united Christian Europe a common enemy and a promised reward.
The Christians were, however, initially beaten back due to inexperience and lack of discipline.
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each of the three branches of government can limit the powers of the others. This way, no one branch becomes too powerful.
A major problem for the United States after the Revolutionary War (1775-1783) was that tens of thousands of Loyalists, due to the climate of violence and fear that still existed after the conflict (particularly in the South), fled the country, retreating with the British army to Britain and other parts of the British Empire (Jamaica, Bahamas, India) and also to Canada, settling primarily in the regions of Nova Scotia and New Brunswick. Since those Loyalists were often wealthy and educated, and they had been part of the thriving and cohesive upper class that controlled much of the industry and the commerce in areas such as New York or Boston, the social structure of the colonies changed significantly after their departure.
In 1952, chemists Harold Urey and Stanley miller mixed ammonia, methane, and hydrogen in a closed container, zapped it with electrical sparks, and found that they had created many amino acids.
What are Amino Acids?
Organic substances known as amino acids have both amino and carboxylic acid functional groups. Although there are hundreds of different amino acids in nature, proteins, which are made up of alpha-amino acids, are by far the most common.
According to the positions of the primary structural functional groups, amino acids can be categorized.
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