Answer:
D. "A Reason for the Arms Race"
Explanation:
If You Look closely you can see that in the back ground there is The White House and Washington Memorial, The second part of the Cartoon contains the Russian Kremlin building,It hints people in major areas of their country are worrying about the opposing country. The Word "gaining" refers to the build up of arms and war technology. This Cartoon is obviously refering to the Cold war and of course... The Arms Race.
I believe the answer would be p<span>arliamentary democracy</span>
The president is always top adviser, therefore he is the Head of State of and the Head of the Government of the United States.