D, they have the right to veto any bill they believe is unconstitutional. it is called checks and balances.
The answer to the question would be one then does not discern the footprints of another which is in a way shall be wholly strange and also new. Hope this is the answer and would then be of big help.
Answer:
An explanation of how something works based on facts - Theory
Theory is defined as a group of ideas which have a common link/linked together in the explanation of a subject.
An orderly way of collecting and analyzing evidence - Scientific method
Scientific method involves performing of experiments which is used to explore observations and then answer questions on the subject.
An explanation of facts using experiments- Hypothesis
Hypothesis is a proposed explanation for a phenomenon and must be able to be tested by people to ascertain its authenticity.
The United States' Apollo 11 was the first manned mission to land on the Moon, on 20 July 1969. There have been six manned U.S. landings (between 1969 and 1972) and numerous unmanned landings, with no soft landings happening from 22 August 1976 until 14 December 2013.