D. The reason for the fall of the Maya civilization is still unknown. There are many different theories attempting to explain the cause of the Classic Maya collapse and the abandonment of Maya cities in the southern Maya lowlands of Mesoamerica between the 8th and 9th centuries: climate change, drought, deforestation, etc. but although the drought is the leading theory at the moment the truth is yet unknown.
B.)The power to veto proposed federal legislation
Answer:
The spoils system was instituted by Democratic President Andrew Jackson. "To the victor goes the spoils" meant that every government job belonged to the party in power. This drawing was meant to depict Jackson's decision-making in appointing members of his party to government positions.
Explanation:
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On Nov. 7, 1917, Russia's Bolshevik Revolution took place as forces led by Vladimir Ilyich Lenin<span> overthrew the provisional government of </span>Alexander Kerensky<span>. The provisional government came to power after the February Revolution resulted in the Russian monarchy being overthrown in March 1917</span>