What does it mean to say voters do not believe they have political efficiency

Why and with what consequences did us relations with asia change between the 1840s and the 1930s?

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?

How does mahan’s thesis support the concept of manifest destiny