Answer:
The main demographic factors that predict an increase in the fiscal deficit in the future are, on the one hand, the progressive aging of baby boomers, who reach retirement age and withdraw from the labor market, thereby beginning to withdraw their funds. pension; and on the other hand, the low birth rate that began to be experienced in the 1990s, with which the population proportion of working people is increasingly lower, with which the government collects less taxes and has the need to maintain to more people.
C. It led in a mass migration of African Americans to the Midwest.
Answer:
D. The beginning of the Mongolian tribute empire
Explanation:
This changed the sociopolitical because the mongolians went into to cities so they could build an empire destroying and killing numerous innocent people. I strongly think this is the answer because in Baghdad it was the most civilized became ruins in just a matter of days when the Mongolians came.
Answer:
The answer is "interspecific competition".
Explanation:
The Intra-selective rivals of the same species occur here. The concurrence amongst various organisms in better capabilities is the conversation. All lemurs, for instance, eat similar bugs here. Interspecies competition should occur. However, checking every organism in its part throughout the tree increasing by some rivalry.
