This isn't a complete question...
There were of course several people who held this view, but perhaps the most prominent was Woodrow Wilson, the President of the United States, who pushed for a much more secure Europe after WWI to prevent such things from happening again.
b. They demonstrated the president's ability to communicate wit the American public.
a. to provide a pension system to support workers during their retirement.
Hegira
Hijrah also called Hegira is the migration or journey of the Islamic prophet Muhammad and his followers from Mecca to Yathrib, later renamed by him to Medina, in the year 622.