The answer is
d) voting and employment
The first lines talk about giving the right to vote to an individual despite making a mistake in trying to vote as long as his mistake is not a result of his inability to select a proper candidate
The last lines talk about giving equal opportunity to an individual to be hired for a job regardless of race, sex or national origin.
The severe Russian winter was the major reason for Napoleon's defeat during his invasion of Russia in 1812.
Calhoun argued that the US Constitution was based on a pact by 13 sovereign states.
C. Troubadours were singing musicians.