He resigned because he'd already had enough trouble as president. Mainly the Watergate scandal. His plan was for him to step down and if he was arrested the vice president which would then be the vice president would pardon him. Also, if he didn't resign he'd likely be impeached anyway.
C. Weak monsoon seasons lower agricultural output.
D. Monsoons can cause devastating landslides and floods.
Monsoons are often found in south asia, where economy depeneds largely on the stationary rains brought by the monsoons, wit hidroelectric and farmings that rely entirely on the amount of rain, when it´s not enough the suffer from food shortage, also when it´s too hard can create lanslides in the rural areas and floods in the urban areas.
The last one because he conquered the Persians empire.
Hope this helps :)))
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