The answer is D. Nixon resigned
Answer:i don’t think anyone did i’m pretty sure he died of a throat infection
but i’m not sure
Explanation:
From lakes and grasslands with hippos and giraffes to a vast desert, North Africa's sudden geographical transformation 5,000 years ago was one of the planet's most dramatic climate shifts.
The transformation took place nearly simultaneously across the continent's northern half, a new study finds. The results will appear in an upcoming issue of the journal Earth and Planetary Science Letters.
http://www.livescience.com/28493-when-sahara-desert-formed.html
Because there main product/export was cotton, so therefore it influenced them the most on the fact that they made more money.
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Answer: C) protected plebeians against unjust treatment by patricians.
The tribune was the title of several elected officials in ancient Rome, most importantly the Tribune of the Plebs and the Military Tribunes. The Tribune of the plebs acted as a check on the authority of the senate and the annual magistrates, intervened on behalf of plebeians and vetoed unfavourable legislation.
Moreover, the plebeians obtained protection from the Law of the Twelve Tables. This legislation was at the foundation of Roman law. It was displayed in the Forum and stated the rights and duties of Roman citizens.