The answer is B. 1869
The continental railroad was completed May 10, 1869, and the First Transcontinental Railroad in America was built in the 1860s.
The Hittites,Kassites,Assyrains,and Chaldeans
<span> As the prediction went, our solar system would align with the black hole at the center of the galaxy.</span>
After some early trading expeditions the first Dutch settlement in the Americas was founded in 1615 fort Nassau on castle island along the hudson near present day albany The settlement served mostly as an outpost for trading in fur with the native lenape tribespeople but was later REPLACED BY FORT ORANGE