The term that references a period of economic growth as measured by a rise in GDP is an economic expansion. It is the increase in economic activity.
The main point of this excerpt is that African-Americans were not considered US citizens.
In the Supreme Court case Dred Scott vs. Sandford, Scott is suing for his freedom from slavery. This is because his master brought him to the Wisconsin territory, a territory where slavery was outlawed.
However, the Supreme Court ruled against him. The reason why they ruled against him is based on the excerpt above. The Declaration of Independence did not make it blatantly clear that slaves were considered citizens. Since they were not considered citizens, they had no legal rights that slave owners had to respect.
Answer:
The cause of World War I, which made the aforementioned items transferred to alliances, imperialism, militarism, nationalism was the assassination of Archduke Franz Ferdinand of Austria-Hungary. When Russia began to prepare for WW1 due to the alliance with Serbia, Germany declared war on Russia.
