Answer:
The American Revolution was principally caused by colonial opposition to British attempts to impose greater control over the colonies and to make them repay the crown for its defense of them during the French and Indian War (1754–63).
Explanation:
Fox talbot - <span>Photographs
isaac singer - </span>Sewing machine
<span>Etienne Lenoir - <span>Gasoline engine
</span></span><span>Alfred Nobel - <span>Dynamite
</span></span><span>Wilhelm Roentgen - <span>X-rays</span></span>
Martin Luther King Jr. was a champion of non-violence in tackling discrimination, racism, segregation, and racial oppression in the United States in the middle of the 20th century. Martin Luther King Jr. supported the use methods of non-violence such as popular protests, sit-ins, speeches, petitions, and strikes in order to promote greater recognition and understanding of the injustices incurred by African Americans in the United States at this time.