In modern society, the "division of labor" refers to the idea that each person in a firm or business focuses on one specific job instead of many jobs, in order to increase productivity.
Answer:
Since free trade allows the business market to reach overseas outside their own nations, many business man seek to sell and cooperate with the other nation's business cooperation in order to expand their market and gain more profit. This urged the economy to become global with the economic exchange across countries.
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The first crusade is the attempt to recapture the Holy lands from the assaults of the Muslim invaders. There are three reasons in this movement naming: 1) to give freedom to Jerusalem and the Church of the Holy Sepulchre; 2) to defend the suffering Christians of the East and (3) to marshal the energy of the feudal lords and knights into a unified warfare. Among these reasons, the related ones is the invasion of Muslim Arabs in Europe. Answer is B.
The French Revolution was in 1830, also known as the July Revolution
