Answer
popular sovereignty, also called squatter sovereignty, in U.S. history, a controversial political doctrine according to which the people of federal territories should decide for themselves whether their territories would enter the Union as free or slave states.
Some more stuff
Who proposed the idea of popular sovereignty?
In 1854, Democratic Senator Stephen A. Douglas, of Illinois, the chief proponent of popular sovereignty. Courtesy of the Library of Congress. Popular sovereignty in 19th century America emerged as a compromise strategy for determining whether a Western territory would permit or prohibit slavery.
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Answer: there were two immediate ones: America's support the ongoing struggle by Cubans and Filipinos against Spanish rule, and the mysterious explosion of the battleship U.S.S. Maine in Havana Harbor.
Explanation:
There were four main factors in the world´s population decline in the 1300s and 1400s:
a. The climate: There was a drop of temperature that is referred to as the Little Ice Age. With freezing winters and cooler summers crops failed, which caused faming or mass starvation to occur.
b. Famine or starvation: The results of starvation were devastating. Tens of thousands of people simply starved to death. Epidemic illnesses carried off tens of thousand more whose resistance to disease had been weakened by hunger.
c. Spread of the Blac Plague or Black Death: In 1347 this new plague struck Europe and hit rich and poor alike. This was the plague in two forms, bubonic and pneumonic. Within a generation, plague killed off 40 percent of the English population and nearly 60 percent of the population in Northeastern France. The mass of death and the flight of population further undermined agriculture and added to the constant threat of famine.
d. The Hundred Years' war: The governments of France and England added to this natural calamities by carring out a series of long, deadly wars, which are known as the Hundreds Years' war (1337-1453), and which agravated the problem of agricultural decline. The war took place entirely in France and contributed to the loss of lives and farmland.