The Senate refused to ratify the treaty of Versailles primarily because they objected to the League of Nations. If the US joined the League, then they would be obligated to fight in future wars and the Senate didn't want that.
Children had to experience many bad things such as rationing, gas masks lessons and many other things
Answer: A developed country would create a multinational corporation with locations in an underdeveloped country to bring others there towards the country.
Explanation: This then leads to further economical development within the developed country. The open jobs that are in the developed country can also be filled with the people immigrating to the developed country.