Why did historians choose to study this topic the correct answer is b
Answer:
The Zimmerman telegram clearly helped draw the United States into the war and thus changed the course of history. This primary source comes from the General Records of the Department of State.
The note revealed a plan to renew unrestricted submarine warfare and to form an alliance with Mexico and Japan if the United States declared war on Germany. The message was intercepted by the British and passed on to the United States; its publication caused outrage and contributed to the U.S. entry into World War I.
Heinrich von Eckardt
On January 16, 1917, British code breakers intercepted an encrypted message from Zimmermann intended for Heinrich von Eckardt, the German ambassador to Mexico.
Explanation:
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Southern poland and many people worked various kinds of labor for 11 hours and roll call prolonged and bad weather was tormenting for them and many have died or were killed while laboring and other causes.
B. and E. marked the downfall of the Inca empire, for obvious reasons. Disease and civil war would obviously kill the empire, and taking an important leader would also mark great chaos within the empire. A. and C. are not to be ignored however, considering that maintaining peaceful relationships with the Spaniards only brought death and chaos to the Aztecs, all from the Spaniards.
That would be D.The Warsaw Pact. The Warsaw Pact was a treaty undertaken by the Soviet Union and her sister communist countries in Europe, the Middle East and Asian in which the Soviet Union used to strengthen the hold of communism on the countries in the Warsaw Pact.