Does the U. S. government have a constitutional right and/or responsibility effect social change?

Yes

NO

It depends

the chinese were most interested in gold

hope this

no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others  

impeachment is when a president is committing treason or doing shading acts while in presidendcy therfor he can be impeached   by congress

the colonial period, since this was a time of mass immigration from a variety of people from europe.