Answer:
c) Alliances required nations to defend each other against aggression.
Explanation:
Secret alliances were formed prior to the outbreak of the war. After the Assassination of Franz Ferdinand the Archduke of Austria-Hungary the alliance systems went into effect leading to many nations protecting one another.
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Answer: Homo sapiens as a distinct species of the hominid family, which includes the great apes.
Explanation:
Although we did not evolve from any of the apes living today, we share characteristics with chimpanzees, gorillas, and orangutans (the great apes), as well as other apes. We most likely evolved from Homo heidelbergensis, the common ancestor we share with Neanderthals, who are our closest extinct relatives.
Answer: The success of Manifest Destiny encouraged imperialists’ ambitions.
The doctrine of "Manifest Destiny" stated that the United States was destined to rule over all of North America, due to its "more developed" and "virtuous" institutions. This mission was carried out in the West. However, by the end of the nineteenth century, the West was effectively settled.
The succesful settlement of the West was seen as a sign of the truth contained in the doctrine. American imperialism then developed out of a desire to keep carrying out this mission in other territories.
Answer: Slavery was legal in most societies at some time in the past but is now outlawed in all recognized countries. The last country to officially abolish slavery was Mauritania in 1981. Nevertheless, there are an estimated 40.3 million people worldwide subject to some form of modern slavery.
Although even now people are still being enslaved without permission.
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