I believe the answer would be C, burning fossil fuels. Oil and gas is made up of the remains of microscopic plankton. Over millions of years the remains become the carbon-rich coal, oil and gas we can use as fuel. When fossil fuels are burned they release carbon dioxide into the atmosphere, thus contributes to global warming.
Technology, innovation, and industrialization increased the ideology of conflict, as can be seen when one compares the Thirty Years War, the Thirty Years World War, and the thirty years of conflict that was World War I and World War II. So the answer would be letter a.
Explanation:
State Right: the southern states believe they were all suffering and should have their own jurisdiction over important affair, they were demanding for a regional government.
the dred Scott was a slave formerly known as the Dred Scott V. John F.A who sought citizenship through a legal case in the supreme court, and the ruling on March 6, 1857 ruled that Dred Scott was no longer entitled to freedom that black Americans can never get United States citizenship this decision was part of the things that push US to civil war
1860 election brought in Lincoln who became a catalyst for the outbreak of America civil war