(Passage in screenshots)
Which sentence from the text supports the theme of the text?

A. Now that they had not only ceased to protect him, but had themselves become a source of trouble to him, he began to understand how great the blessing was which he had enjoyed, and to sigh for the happy days before his girls had come under the influence of his neighbor.

B. "When you were twenty your father did not, I presume, object to your learning chemistry or playing a musical instrument."

C. Never was a quiet and orderly household transformed so suddenly into a bear garden, or a happy man turned into such a completely miserable one.

D. "You must live up to your principles—you must give your daughters the same liberty as you advocate for other women."

Identify the trade regulation concept described in each scenario. protectionism free trade trade war country a and country b want to develop their respective export markets. both countries have highly developed agricultural, industrial, and service sectors. the countries decide to initially lower trade barriers and eventually remove them completely. arrowright country a has an agrarian economy with an emerging industrial sector. to allow domestic industries to grow, country a applies quotas on all industrial products except those that are used as resources. arrowright country a passes an economic policy that will indirectly give its own companies an advantage over country b’s companies. country b alleges that the policy violates the countries’ trade agreement and imposes retaliatory tariffs. arrowright