D. one of a mixed ethnic backround
Answer:less-skilled, repetitive, highly skilled
Explanation:
<span>President Franklin D. Roosevelt</span>
The principle of checks and balances refers to the system, in the American federal system, wherein each branch of government has responsibilities and obligations as it relates to the other branches of government.
The President, for one, is able to veto legislation from the Legislative Branch but a balance on that check is that the Legislative branch may override the Executive branch's veto.