The armies of ancient Rome often had to cross rivers to reach distant parts of the empire. This posed a problem because bridges built by earlier civilizations could not bear the weight of many troops. The Romans overcame this obstacle by building what?

Erikson's theory of personality grants more power to the than freud had allowed.

In a small, closed economy, national income (gdp) is $350 million for the current year. individuals have spent $100 million on the consumption of goods and services. they have paid a total of $60 million in taxes and the government has spent $75 million on goods and services this year. use this information and the national income identity to answer the questions. how much does the economy spend on investment?

This was an act of continental congress which initially organized the first united states territory and was to be the basis for governing how the united states would expand westward.