One cause of the European immigration in the age of exploration was a potato famine in Ireland. Many Irish suffered and decided to move to america because we had potatoes. Potatoes originally came from America, and were introduced to Europe because of the Colombian Exchange. Many people especially Catholics thought they were evil.<span />
Answer:
They are both terrestrial planets which means that both are differentiated between a dense metallic core and an overlying mantle and crust composed of less dense materials. Like Earth, Mars also has seasons, weathers, polar ice caps, volcanoes, and canyons. It's atmosphereare also has carbon dioxide and nitrogen.
Mao Zedong launched the Cultural Revolution in China in response to what he and other Chines viewed as social encroachments from the west that were threatening the Chinese way of life.