The map below shows us the migratory patterns of the Indo-Europeans, and with their migrations, the spread of the their language as well. As the Indo-Europeans started to migrate from their homeland in the lowlands between the Black and Caspian seas, they were spreading their culture with them. This led to their language seemingly distant regions that do not seem connected. As they were moving in different areas, Europe, India, Iran, Central Asia, their language started to change, so lot of new dialects emerged, and later those dialects gave birth to new languages, though all of those languages kept their basis and remained part of the same linguistic family.
John Dickinson wrote the original draft, but congress redrafted and revised it twice before it was approved.
George Goethals was the military engineer who completed construction of the Panama Canal. The correct option among all the options given in the question is option "d". He was appointed the chief engineer of the Panama project by President Roosevelt on 26th of February in the year 1907. Goethals was absolutely determined in seeing through the job that was handed over to him by the President.
