The correct answer is:
A) During the Crusades.
The exchange of new ideas and inventions made throughout the Crusades is considered the earliest beginning of the Renaissance.
The Crusades increased the interest in travel and discovering Europe, which may have lead to the Renaissance. Furthermore, the Crusades serviced an increment in trade and reduced the power of European Nobles, the key to bring about the Age of Exploration.
The solution the Kansas-Nebraska Act of 1854 offered to the problem of slavery was to allow both states to determine their slave or free state status via popular vote. However, both states were widely uninhabited at the time of their admittance and thus a huge number of settlers from free and slave states swarmed upon the states to sway the vote in their favor. This resulted in tragedy in the form of attacks where free and slave supporters clashed in violent and oftentimes deadly confrontation.
It was the groups "Hezbollah" that used terrorism in the late twentieth century. This was mainly done through intimidation by the ruling class over the lower classes.
A Constitution is written in order to secure a compromise. The importance of this compromise is that it is defining the rights of citizens and the principles and powers of government (D).
A written Constitution serves to establish and to concretize the powers that are making it. It is written so it can be read by everyone and especially because this turns it into something permanent. It is a way to make a lasting compromise between all that participated in its writing.
The correct answer is D) Westward expansion.
Westward expansion led to the most sectional strife over slavery in the first half of the 19th century.
When settlers moved to the Western territories during the 19th century, people identified this movement as the westward expansion. It started when the US government reached an agreement with France to purchase the Lousiana territory to fulfill the United States manifested destiny to expand an conquer new territories.