The Uros people have adapted to the geography of Lake Titicaca, much like the Incas, by making islands out of reeds. The correct option among all the options that are given in the question is the fourth or the last option. The Uros people had created forty two self made floating islands out of dried bundles of dried totora weeds.
There was a town in Lexington where the colonists would be, but when the British came nobody thought a battle would actually happen. The Battle of Lexington is not really a battle, although it does mark the start of the American Revolution. The colonists and the British troops got confused when a random gunshot sprung out, making the British attack. This lead to numerous deaths among colonists but the rest fled.
The answer is D, having to fight a two-front war.
The Schlieffen plan was the German strategy to quickly take out France so that they could focus all their troops on Russia.
Astronomy is the science that study stars, planets, galaxies and other thing that exist in the known universe. As a science it follows the same principles as other fields like chemistry or physics. Astrology is the theory that links certain behaviours or even prediction of the future based on the movements and the influences of the stars on our lifes. So, the difference is that one is a science field, the other is a theory.