Not every action you take is going to go your way,there are many make he/she will make and it can and will end in disaster
land routes were closed off by Ottoman Turks
Answer:
Marginal costs and benefits are a vital part of economics because they help to provide the relevant measurement of costs and benefits at a certain level of production and consumption. If measured marginal costs and benefits are provided, it is much easier to calculate the ideal price and quantity.
The Chinese Method, or stick method, of multiplication involves properly placing and crossing sticks. You simply lay out sticks consistent with the place values of the digits being multiplied. Then you count the places where the sticks cross.