The United Kingdom of Great Britain and Ireland<span> and its </span>empire<span> remained officially neutral throughout the </span>American Civil War<span> (1861–65). It legally recognised the belligerent status of </span>the Confederacy<span>, but never recognized it as a nation and never signed a treaty or exchanged ambassadors. However, the top British officials debated intervention in the first 18 months. Elite opinion tended to favour the Confederacy, while public opinion tended to favour the United States. </span>
The two parts of the continent start to move away from each other
causing rifting of the continental plate, the center or the rift becomes thinner, weaker and starts to sag. The basin area in the middle which has sagged is usually filled up with water, forming a sea. (e.g. the red sea)
The thinner plate in the center then becomes oceanic crust from this, and in the center a new constructive plate boundary is formed. <span>The plates continue to move apart from one another and magma erupts from the constructive/divergent plate boundary, producing new oceanic crust formed mainly of basalt.</span>
i think it is the second one