Alfred Marshall is credited with first using cost-benefit analysis. The correct option among all the options given in the question is option "b". The actual fact is that the concept was first brought into existence by Jules Dupuit in an article in the year 1848. His concept was first put to work by Alfred Marshall later on.
At no point in recent history have calls for Africa to industrialize been stronger than they have been lately. Across the continent, industrialization is arguably the most talked about subject among policymakers. So why has action on the ground failed to move the needle on this important development marker?
The powers this is describing are the powers between the federal government and between the states. Before the United States Constitution, there were the Articles of Confederation. These articles gave little to no power to the federal government, to where they could not regulate trade, enforce laws, or tax the states. Many people agreed with the Articles of Confederation because they were scared of the government having too much power. They did not want a repeat of what happened with England, the abuse of power and "taxation without representation." The 10th Amendment in the United States Constitution essentially protects the states from the abuse of government power.