Answer:
They transported significant amounts of goods and built national marketing systems.
Explanation:
Railroads increased marketing and grew the industry.
Pearl Harbor was attacked by Japan on December 7, 1941. There were 2,400 fatalities and 18 ships damaged or sunk by the U.S. military. The United States' entry into World War II was its most significant result.
What is Geopolitics?
Geopolitics is the study of the effects of geography on the balance of power in international affairs. Around the turn of the 20th century, the Swedish political scientist Rudolf Kjellén first used the term "geopolitics," which expanded throughout Europe in the years between World Wars I and II (1918–39) before becoming widely used during the latter.
After World War II, geopolitical theory lost favor due to its links to imperialistic Japanese and Nazi German aggression as well as because the development of nuclear weapons and ballistic missiles diminished the importance of geographical variables in the global strategic balance of power.
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Answer:
The correct answer is D: Created a complex social structure.
Explanation:
The Mayans, Aztecs and Incas
No one knew for certain the reason for the explosion. APEX
