Which event led to america’s involvement in world war ii?
sinking of the lusitania
gulf of tonkin incident
assassination of franz ferdinand
pearl harbor attack

Brianliestttme : ) how did imperialism contribute to the start of world war i? germany was the first to attempt to expand their empire. germany's attempts to defend newly independent nations sparked conflict in europe. violent independence protests in colonized nations spread to the european continent. germany's attempts to build a global empire put them in conflict with other imperialist nations.

Numbing feelings with addictive substances becomes a vicious cycle as the addiction itself often manifests further negative emotions

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?