As with everything, interpretations depend upon the reader. An example can be the Quakers who were religious and fought for abolition of slavery claiming that the constitution stated itself that all people on Earth are equal since they were created by God, the creator. The founding fathers, however, believed that slaves cannot be people and that they are 3/5 of a regular human being, so equality does not apply to them.
I think what you meant was “How is a bridge and an isthmus alike and different?” A bridge is a manmade feature while a isthmus is not. They both connect two parts of land also. Bridges are commonly used as a way to get over a body of water.
I don't know about your lesson, but the United States invaded Grenada as part of operation Urgent Fury. They were trying to overthrow the government.
