They are called a teleprompter. A teleprompter is a device that hides the scripts from the audience
The correct answer is D! The Portuguese American colonies were much more intellectually independent from the mother country!
The earliest Chinese people did not have to worry about invasions from foreign countries because of their strong army and geography. The Chinese army present in ancient times were very strong and able to defend their lands. Chinese also build china wall in order to protect their lands from the invasion of other people. The geography of china also made difficult for the invaders to capture china.
Because they had many ways of doing things and were a very intelligent society.
-Hope it helps.
The circumradius of a cyclic polygon is the radius of the circumscribed circle of that polygon. For a triangle, it is the measure of the radius of the circle that circumscribes the triangle.