15+25+35+45=120 120 divide 4 = 30
Answer:
<h2>This timeline of events leading to the American Civil War is a chronologically ordered list of events and issues which historians recognize as origins and causes of the American Civil War. These events are roughly divided into two periods: the first encompasses the gradual build-up over many decades of the numerous social, economic, and political issues that ultimately contributed to the war's outbreak, and the second encompasses the five-month span following the election of Abraham Lincoln as President of the United States in 1860 and culminating in the capture of Fort Sumter in April 1861.</h2>
The first nation to establish a port trade in africa was Portugal
It means rubber people. it was a name of a mesto-american tribe (:
