Answer:
The answers are:
2. Gandhi was committed to nonviolence, and he was determined to win freedom for his country without violence or confrontation, if possible.
4. He called it nonviolent noncooperation, and it proved to be one of the keys to India's independence from Great Britain. Whenever there was trouble with British soldiers, Ganhdi urged the people of India not to fight, telling them instead to simply stand still.
5. Almost Twemty Years Later, Martin Luther king Jr. would take up the same position. He called it nonviolent resistance, but the results were the same. These two men of peace achieved more than anyone would have thought without ever once resorting to violence.
Explanation:
Gramatically correct means that sentence follow the rules of grammar, so in this context, I won't count punctuation and spelling mistakes. as there are lots of them, however, this is not the context.
So, let's discard the other options first... Number one is not possible for it says: <em>Indias history</em>. The Genitive possesive is not used here ('). Number three it says: <em>call; </em>the past simple is not used here (called). And number 5 has lots of spelling and punctuation mistakes, but it is gramatically correct.