37. 27x^3-12x^2
40. 5x^4y^6+30x^5y^4
49. 10x-1x-2
song dynasty in china had two parts: first part was the "north song" dynasty. it ruled most of china n time was good. it followed long time of civil wars n ppl were tired of wars. so the emperor consolidated his power n ruled over a large n stable empire.
but it grew weak n was attacked by enemies from north. it lost most of its northern territories n ruled only southern china. it was called the "south song" dynasty. due to limited resources, time was tough. it had to maintain a large army to protect against the north which required heavy taxation of ppl.
North Vietnam launched an invasion of South Vietnam. ... The attack of two U.S. destroyers by the North Vietnamese.
Answer:
To gain wealth and to build a forts
Explanation:
Answer:
The French & Indian War
Explanation:
In Europe, Sweden , Austria, and France were allied to crush the rising power of Frederick the Great, King of Prussia. The English and the French battled for colonial domination in North America, the Caribbean, and in India.
