answer is in attachments, Have a look.
B. His mass would increase due to gravity on Earth.
The largest empire of the early (pre-Columbian) American civilization was the Inca Empire. The Incas called their own empire Tawantinsuyo, meaning 'Land of the Four Quarters' or 'The Four Parts Together'.
They fled to avoid arrest when gage decided to destroy the patriots town
Its a multilateral system of trading in which a country pays for its imports from one country by its exports to another. Hope this answers your question :)