The 1920s have long been remembered as the "Roaring Twenties," an era of unprecedented affluence best remembered through the cultural artifacts generated by its new mass-consumption economy: a Ford Model T in every driveway, "Amos n' Andy" on the radio and the first "talking" motion pictures at the cinema, baseball hero Babe Ruth in the ballpark and celebrity pilot Charles Lindbergh on the front page of every newspaper. As a soaring stock market minted millionaires by the thousands, young Americans in the nation's teeming cities rejected traditional social mores by embracing a modern urban culture of freedom—drinking illegally in speakeasies, dancing provocatively to the Charleston, listening to the sex
rhythms of jazz music.
The correct answer is B. Negotiating a treaty with Mexico.
Explanation
Foreign policy is the name by which the decisions and actions taken by a State are known to favor the national and international interests of the countries involved. In short, foreign policy groups the agreements, negotiations, and decisions of two or more nations to establish economic, political, and social relations. So if a country like the United States establishes negotiations for a treaty with Mexico, it would be a matter of foreign policy because it involves the interests of two countries and their needs and interests. According to the above, the correct answer is B. Negotiating a treaty with Mexico.
D.it made people switch from hunting to herding. People didn't have to move around from place to place anymore. They could finally settle down and have a life.