How has global cooperation changed the way societies confront common issues? A.
Although poorer countries share knowledge, it is still difficult for wealthier countries to get the resources they need.
B.
It has helped with environmental issues, but countries still work independently to solve social, political, and economic problems.
C.
Little has changed because most common issues need to be solved by focusing on the specific needs of a population.
D.
Countries can easily share information and solutions, and they often work together to solve common issues.

10 points per question and brainlist 1. name four of the ruling dynasties of china. describe at least three contributions to society from each dynasty. 2. why did the qin ruler zheng burn chinese literature and philosophy books? how did the han dynasty establish a strong and effective government? why did people rebel against the sui rule? 3. what new technologies were invented during the tang dynasty and fully developed in the song dynasty that would eventually have a great impact on the world? explain why this technology had such an impact. 4. who were the invaders that seized control and took over the song dynasty? 5. how was china's history affected by its policies of isolation from the outside world during the ming dynasty?