<span>Various barbarian groups weakened the empire with a series of invasions. </span>
<span>In the Triassic period all of North America was similar to the Indonesian archipelago. After the heavy snow in the last mini-ice age the receding snows left huge craters resulting in the popular Great Lakes. Thus, altering the topography of the planet. </span>
Answer: C
Explanation: The International Day of Non-Violence is observed on 2 October, the birthday of Mahatma Gandhi, leader of the Indian independence movement and pioneer of the philosophy and strategy of non-violence.
