It helps them determine whether an assertion made by one source is likely to be true.
Answer:
America sent troops throughout the Pacific islands, and to North Africa, Italy, and Western Europe. The United States staged two simultaneous bombing campaigns against Germany and Japan while conducting surface and submarine campaigns against all of the Axis powers. ... America did not win World War II alone
In marked new opportunities for Europeans, and opened up new forms of trade. Europeans left Europe and went over to explore and start new lives in the americas.
Government Debt.
Corruption.
Extreme weather.
Lack of control in local food.
Lack of access to education.
Mental illness - lack of proper psychiatric care.
World hunger.
Epidemic diseases.
The battle for political legitimacy in Somalia is between d) militias loyal to the Union of Islamic courts and clan warlords. This has resulted in an ongoing civil war in the country and many different governments have been installed since then, as well as many different clans opposing the regime and each other.