They wanted to spread communist ideas and rule. With more countries being communist they could have more power.
Well, when icebergs melt in Antartica and in Greenland this causes the sea level to rise which creeps up on beaches and can take land and submerge it into water.
The Americans implemented the Articles of Confederation as the first form of constitution. However, this document established a very weak form of government.
Charles Dickens wrote novels about urban poor in the 1800s
Hope this helps!
Brought in through trading because it brought infested rats and fleas