I think 4. The controlled the seas together.
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.
The Incan civilization was heavily influenced by the <em>Andes Mountains</em>. Its most important city, Cusco, was located im what today is Perú, on a valley in the Andes. The Incas are considered an andean civilization and its empire, the largest of the Pre Columbian empires, extended mostly through the Andean Mountains. One of the most famous incan archeological sites, the Machu Picchu, is located on the mountains more than 2000 metres above sea level.
Other researchers that were known to have worked with Frederick Taylor in his scientific method theory were:
- Henry Gannt
- F & L Gilbreth
<h3>What was Taylor's scientific method?</h3>
Taylor's scientific management theory is a theory that has the proposition that there is one right method of doing things.
According to his theory of management, making people to work very hard would not be an efficient way of optimization for the way that the job is to be carried out.
Read more on Frederick Taylor here: brainly.com/question/505293
1.negative thinking of people
2.due to poverty
3.due to the feeling of jealousness