B is the awnser for that question
The answer is B: international travel
Production of more food--the system allowed for more food to be produced which fed the workers in an industrial economy.
The 'four-field system' rotates crops between the 4 fields no longer needing to keep one empty because one of the crops would replenish the field with nutrients while the others take nutrients away from the fields. <span />
Absolute states has solid political stability which is very favorable for business and peace at time. However,usually unless the absolute ruler is enlightened, the disadvantages by far surpasses the advantages. Usually, liberties and rights are the first casualty of such a type of rule. The other problem is the excesses of a sovereign who may chose to rule in total disregard of the rule of law.
