Answer:
Those supporting the idea of a European Civil War contend that the heads of state in many European nations were so closely related as to constitute branches of the same family. European culture is also relatively homogeneous, with most nations tracing the roots of their culture to two principal sources, namely Christianity and classical antiquity. While separate, their respective legal systems were remarkably similar and evolved to become more so over time.
Explanation:
The completion of the first transcontinental railroad in 1869 encouraged settlement of the American west by proving easier travel and it took less time.
These headlines speak about the law on the sale and carrying of firearms, as well as the legality of the existing Gun Control Law. Gun control is a set of laws that regulate the production, sale, transfer, possession and use of firearms. According to Second Amendment of the Constitution that the well-regulated militias necessary for the security of the free State, as well as the right of the people to guard and carry weapons, will not be infringed. While any other law that infringes the operational clause of the amendment, violates it. So all these headlines represent a debate about the Second Amendment.
The answer is: D.