After the split from the supercontinent, the individual continents underwent a number of changes of their shoreline. For example, the constant flow of water "smoothed" the surface, which meant that in some parts the land decreased (was washed away by the currents) and in other parts the land increased with the accumulation of the material that the currents brought.
This changed the shape of the continents in a way that they no longer "fit" together perfectly.
Ensuring C) domestic tranquility means ensuring peacefulness or calmness. Domestic tranquility refers to peace to peace at home. It can be applied to family as well as to states. When referring to states domestic tranquility refers to peace kept among states as set out in the Constitution. It includes the federal governments rights to end rebellions and smooth out tensions between states.
You didn't add the choices, but I've had this question before the answer is that nearly all of the male immigrants were male, so children came from unions with Native Americans.
6: Pearl Houabor was the begging of World War 11
