Can anyone help me with this? Will give Brainliest but please answer!! I need it!!
What contributed to rising tensions among industrialized nations in the years leading up to World War I.

A) The treat of communism heightened political and economic problems in most of Europe.

B) Failure to archive satisfactory trade agreements with the United States challenged other economies.

C) Shortages of natural resources of natural resources from Africa spilled over into Europe.

D) Competition to develop strong economies and build large empires.