It was called the open door policy made by Deng Xiaoping allowing foreign businesses to bet set in China paying a very low tax
It changed the schooling in america, it made the schools do more and harder/complex mathematics and science, so we will always stay ahead of the russians
Answer:
Hi! Your answer here is D. to prevent one branch from becoming too powerful. This is referred to as the system of "checks and balances" - essentially, counterbalancing influences by which an organization or system is regulated, typically those ensuring that political power is not concentrated in the hands of individuals or groups.
Have a great day! - Mani :)