The Global warming in the year of 1000 AD caused Large portion of ice in European region to melt.
Many historians believed that This provide opportunity for the Vikings to pass through with their ships in order to reach other European territories. They attacked those territories and looted all the resources that they can found there in order to expand their empire.
It was Jimmy Carter who was the president who failed to get many of his initiatives passed because he was a political outsider unfamiliar with the ways Congress works.
