They analyzed the work of other historians to draw a conclusion.
The US believed in isolation, if another country attacked the US that is the only way that we would get involved, therefore we tried to stay out of the mass killings and havoc that the Germans and Japanese were creating until we felt that it involved the US. The US did not want to pick a side and have to stay loyal to that side and go to war when that country did because of the alliance. The US finally joined in to help the allied powers to supply them with weapons/military troops. They did not enter the war until December 1941.
All of the answers are correct so you should select D: All of the above
From 1750 onwards a new industry emerged in Britain - the production of cotton cloth. Wool production had previously been Britain's major industry, but cotton had one key advantage - machinery could process cotton fibres better than wool.
An engraving showing slaves picking cotton on a plantation in North America
As a result it was in cotton production that the industrial revolution began, particularly in and around Manchester. The cotton used was mostly imported from slave plantations. Slavery provided the raw material for industrial change and growth.
The growth of the Atlantic economy was an integral part of the growth of exports - for example manufactured cotton cloth was exported to Africa.
The Atlantic economy can be seen as the spark for the biggest change in modern economic history. The Atlantic economy in the 1700s was founded on slave labour.
Okay, now what exactly do you not understand about this? I can go through with you and explain it