I think it’s Issue a Emancipation Proclamation freeing slaves in the south
The great increase in use of the computer is called "<span>c. the computer revolution," since the word "revolution" here implies that changes were made very swiftly and dramatically. </span>
John Kufuor (1938–) 8 years
The answer is pollution and acid rain due to industry and factories in urban areas.
Hope this helps!!! :)