It could be increased greenhouse gas effect.
Answer:
US Constitution
Explanation:
It serves as an example and guide on how to build a successful nation.
Answer:
C) The policy of establishing strong trade ties with the Yuan dynasty to deter a conquering force.
Explanation:
Mongols use to rule by power. They were physically strong and had gained empire through brutality. Mongols wanted to rule Vietnam but they also wanted to increase trade stability. For this purpose Mongols decided to rule with peace. They had to change their nature and promoted peace during Pax Mongolica to flourish trade.
White expansion. War between Indians and the whites was very common because the whites seemingly had quite an appetite for the Indian land. Indians struggle to contain this aggressive expansion led to war with hope to reduce American settlement and expansion.