They have defence departments.
In addition to the US Federal Government and the 50 state governments, there are county, city and town governments in every state. So the total number of governments in the US can be counted in the thousands.
Well...... They have them because they need a way to defend their "Government" Or country. That is all i know.
The US has 50 states and therefore there are 50 state governments in the US. In addition associated territories such as Puerto Rico, the US Virgin Islands, and Guam are not states and do not have state governments, but do have governments that in many respects function like state governments.
To defend the US from it's enemies.
because it defend us
They defend and fight for us.
what message did Stalin want to send out to US and British governments
To defend the US from it's enemies.
There were a number of reasons that the Federalists gave to defend their views on the ratification. The mainly supported as strong central government and state governments that did not have too much power.
Like all American governments, power is derived from the people.
Nova Net Answer: Seperation of powers.
To preserve, protect and defend.