When did ww1 start and when did it end

How did the united states surprise other delegates at the washington naval conference in 1921?

Iam gonna fail this class ! in 2001 mexico imposed a 20% tax on all soft drinks not made from sugar cane high fractals corn sit-up which is made from corn,is often used in place of cane sugar to manufacture soft drinks. which nation would most likely be impacted by mexico’s policy change?

Brainliestttme : ) describe the event: increase in islamic extremism in the middle east