Answer:
To outline racial and ethnic groups, demographers depended on the U.S. decennial census and annual Current Population Surveys (CPS). To calculate marriage, fertility, and mortality rates, demographers use the national vital statistics records of births, marriages, and deaths. Estimates of internal migration come from the U.S. Bureau of the Census (USBC), and estimates of international migration come from the Immigration and Naturalization Services and USBC.
Explanation:
Population size is determined by three principal metrics of demography: mortality, fertility, and migration. Racial and ethnic differences in rates of one or more of these metrics cause the racial composition of the nation to change. Recently, international migration and higher fertility rates among some racial and ethnic groups have been the sole contributors to the nation’s population growth and changing composition.
Historical Trends
The racial and ethnic composition of the more than 265 million U.S. residents is 1 percent American Indian, 3 percent Asian, 11 percent Hispanic, 12 percent Black, and 73 percent White (Deardorff and Hollmann, 1997)—quite different than it was 50 years ago, and projected to be different 50 years from now.
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Harrison's presidency saw the addition of six new states, more than any other president.
Answer:
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Explanation:
Arms races have generated a great deal of interest for a variety of reasons. They are widely believed to have significant consequences for states' security, but agreement stops there. In the debate over their consequences, one side holds that arms races increase the probability of war by undermining military stability and straining political relations. The opposing view holds that engaging in an arms race is often a state's best option for avoiding war when faced with an aggressive adversary. Debate over the causes of arms races is just as divided. One school believes that arms races are primarily rational responses to external threats and opportunities, whereas arms race skeptics believe that arms buildups are usually the product of a mixture of internal, domestic interests, including those of the scientists involved in research and development (R&D), the major producers of weapons systems, and the military services that will operate them. The policy implications of these contending views are equally contradictory; critics see arms control as a way to reduce the probability of war and rein in domestic interests that are distorting the state's security policy, and proponents argue that military competition is most likely to protect the state's international interests and preserve peace.
Arms buildups and arms races also play a prominent role in international relations (IR) theory. Building up arms is one of a state's three basic options for acquiring the military capabilities it requires to achieve its international goals; the other two are gaining allies and cooperating with its adversary to reduce threats. In broad terms, choosing between more competitive and more cooperative combinations of these options is among the most basic decisions a state must make, and it is often the most important.
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