After September​ 11, 2001, the U. S. government imposed greater restrictions on Student ​(​F-1, ​J-1​) visas making it more difficult for international students to enter the U. S. for undergraduate and graduate study. This is likely to cause in real tuition rates​ (the price of​ education) among trading nations.

A. convergence
B. divergence

its likely to cause convergence

Explanation:

This is likely to cause divergence in real tution rates among trading nations.This is because any sort of [policy or change that is not in the support of liberlization will case divergence in the prices of goods in the trading economies.We can see this from demand and supply side also.

the u.s. census bureau produces data on the population and economy nationwide. it can you to analyze the kind of people living in your neighborhood. it does not show you the market of people willing to buy your product or an existing market for your product. that will require more market research. the census bureau only gives you an insight to the demographics in your area.