What is ronald reagan remembered for?

Which was the cause of the rise of the persian empire?

This chart shows american troop strength during what conflict? a) gulf war b) korean war c) vietnam war d) world war ii

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.