Traversing as they do all of Eurasia, the Silk Roads encompassed almost every climate and vegetation zone and crossed every kind of terrain. This sketch of Silk Road geography has the modest aim of introducing a few of the important features of Eurasian physical geography which help us to understand patterns of human habitation and interaction across that vast expanse. There are always regional variations which deserve more detailed treatment. Before the advent of modern technology, geography and ecological zones were critical determinants of where and how people lived, moved and interacted. Boundaries such as we know them, delineated by modern states, did not exist, but boundaries there were, either natural or manmade, and in both cases they turn out to have been quite permeable.
I am 100% sure the answer is A
I'd be willing to help if you gave out actual answers to choose from.
Thomas Hobbes wrote that a person's most basic needed is science
The French who had direct contact with the Americans were able to successfully implement Enlightenment ideas into a new political system. The National Assembly in France even used the American Declaration of Independence as a model when drafting the Declaration of the Rights of Man and the Citizen in 1789