Why did usa join the first world war?

What triumphs did the late 19th century witness in the realms of industrial growth, urbanization, and technological innovation? what challenges did these developments pose for urban dwellers, workers, and recent immigrants? how did city officials and everyday citizens respond to these challenges?

Which of the following is one example of an ideological conflict that became one of the causes of world war ii?

What are the winter holidays the annex residents celebrate? a. chanukah and st. nicholas b. st. nicholas and new year's c. christmas and kwaanza answer if your a 100% percent sure ^-^