Dependency ratio is a measure of the number of dependents aged zero to 14 and over the of 65, compared with the total population aged 15 to 64
Answer:
By 1863, however, the Northern military plan consisted of five major goals: Fully blockade all Southern coasts. This strategy, known as the Anaconda Plan, would eliminate the possibility of Confederate help from abroad. Control the Mississippi River.
Explanation:
They had been hunting mammoths. They had followed them from Asia to North America.
Answer: New threat or perceived opportunity
Explanation:
According to sociologist doug mcadam, a new threat or perceived opportunity must occur for a social movement to arise. It's been realized by him that what will spur or arise the intentions of a group of people to achieve a goal that was either forgotten, dead or a new one is by a new threat or a perceived opportunity. In most cases threat tends to spur individuals to take situations serious and would want an outcome.
