Its D) because scientist focuses on how this happened and why.. so its D)
The brown bear is the most common in the Tundra.
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Answer:
Freedom Summer, also known as the Freedom Summer Project or the Mississippi Summer Project, was a volunteer campaign in the United States launched in June 1964 to attempt to register as many African-American voters as possible in Mississippi. Blacks had been restricted from voting since the turn of the century due to barriers to voter registration and other laws. The project also set up dozens of Freedom Schools, Freedom Houses, and community centers in small towns throughout Mississippi to aid the local Black population.
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.