2. The correct answer here A that is the genuineness of assent.
For a contract to be valid both parties must willingly, clearly and completely accept the contract. There must not be any threatening and the contract must not be signed under duress. If the contract is a result of duress of one party the contract may be made void.
In general, President Abraham Lincoln appointed Ulysses S. Grant to lead the Union armies after firing other generals because "<span>C. Grant was willing to outlast the enemy even at the cost of high casualties"</span>