What are the social developments or the humanitarian efforts of the united states in the 21st century?

What enabled the drastic increase in us troop development to vietnam between 1964 and 1965?

"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.

Why might countries with command economies have high rates of employment? the government offers career counseling.command economies have large populations.government planners assign everyone a task.everyone works hard in a command economy.