Germany
1840s to 1850s
US foreign policy varies with the course of the nation and conditions in the world. Sometimes the US has been isolationist- sometimes it tries to police the world. You must give a date if you want a more definitive answer.
influx of money from the US
rapid influx
No, Boston is not the capital of US.The capital of US is Washington
The first US capital was Philadelphia. This would be the oldest capital of the US.
No, New York is not the capital of the US. The capital of the US is Washington DC.
1840's to 1850's
The US does not have a capital state. The capital of the US is Washington, D.C. It is a federal district.
The plural of influx is influxes.
Washington DC. is the US capital.