What question are you speaking of?
"The president can make treaties, but the Senate must ratify them" is the statement that shows the people having the responsibility in respect to foreign relations. The correct option among all the options that are given in the question is the first option or option "a". I hope the answer comes to your help.
Carnegie's early job with the railroads helped him predict that the demand for steel to build railroad tracks and bridges would grow.
Because the US had a great geographical location which shileded them from immediate contact with any military force. This was one thing, another thing was that they were lending money to the different European nations which they had to return after some time. All of this enabled the US to catapult itself and become a world power.
Because of ongoing and potential loss of their sea ice habitat resulting from climate change, polar bears were listed as a threatened species in the US under the Endangered Species Act in May 2008. The survival and the protection of the polar bear habitat are urgent issues for WWF.