Can you guys help me for this questions need ASAP How did the Ming Dynasty gain, consolidate & maintain power?

Can u give me 2 or more exaple

What bodies of water provided the eastern border of the zhou dynasty? ?

What is the tallest mountain range in south america? a guiana highlands b the patagonia mountians c the andes mountians d brazilian mountains

Why did trade along the silk road increase after it fell under mongol control? o people stopped using camels the mongols paved the road o it became safer to travel the mongols were better traders next question ask for