When the united states refused to pay a bribe, declared war on the united states?

Which country joined the allies because it was a rival of germany?

1. how did manifest destiny spur nation building in the u.s.? 2. how did the idea of “the nation” begin to change? 3. how were the unifications of germany and italy similar? 4. what problems did the austro-hungarian empire have? 5. what domestic issues did england and france have?

During industrialization which led to an explosion of new economic theories