Answer: Tensions were not created "overnight."
Explanation:
Long-term tensions among European states ultimately resulted in the First World War. Nationalism began to strengthen after the French Revolution. Countries closed themselves in their national camps, which created affiliation to one national identity. In such circumstances, many considered themselves superior to others. Some countries had common interests. For example, Germany and Austria-Hungary advocated equal colonization of third world countries. Britain and France were at the forefront of colonization and wanted a majority for themselves. The Ottoman Empire was also involved in the whole story. The Ottoman Empire was not as strong as before, but they also wanted to keep certain possessions. Such circumstances would lead to the creation of an alliance, which increased tensions between the states.
Railroads increased United States settlement and built up United States commerce
The answer is Austria and Hungary.
The subsequent country was known as the Austro-Hungarian Empire. It was a powerful state that existed between 1867-1918 when it disintegrated after defeat in World War I.
For more than half a century, the Empire was a powerful state in European and global affairs.
Interestingly it also had two capitals, Vienna and Budapest, both of which became the capitals of Modern Austria and Hungary.
One of the ways that nationalism affected Europe were the numerous uprising and riots of the local population that demanded more rights to speak their language and have power over their own affairs. For example, Poland had a number of uprisings that sought to achieve independence of the countries ruling its territory (Russia and Prussia): for example the Greater Poland uprising of 1848.
For number one I'll say either A or C and for number 2 I'll say either A or B
