At what point could the united states no longer avoid involvement in world war ii?

When creating the treaty of versailles, each member of the 'big three' had different agendas. how did each member want to deal with rebuilding europe?meee lol in advance!

Kublai khan honored his mongol heritage by: a)marring only one wife b)praying facing mecca five times a day c)slaughtering ten chinese officials every year d)building a large enclosed hunting ground at shangdu,his summer palace

In some african american communities, unemployment was as high as percent.