Which statement about america in the 1920s is true? a. prohibition reduced both alcoholism and violent crime by more than 50 percent. b. by 1929, there were almost 24 million automobiles in the country. c. women dressed modestly and rarely went out alone in public. d. many northern blacks returned to the south in search of better jobs.

The correct answer is B) By 1929, there were almost 24 million automobiles in the country.

The statement about America in the 1920s that is true is "By 1929, there were almost 24 million automobiles in the country."

The first part of the 1920s represented a good period of economic prosperity in America. Indeed, people called this time "the Roaring 1920." People had money to buy many things -mostly on credit- such as cars, forniture, and homes. This created many debts. In the case of cars,  US citizens bough approximately 26 million cars and 3 million trucks by 1929, totalizing 29 million vehicles, until the Great Depression hit hard in October 1929, after the US stock market crash.  

the correct answer is "c: merchants" and "e. soldiers".

the song dynasty was known as the first government in the world to introduce paper currency. it was also the first chinese government which established a permanent standing navy. finally, the first compass was introduced during this period of government.

all of these innovations heavily affected commerce in a positive way. printed money dynamize commerce within the borders of the empire due to an easier way to quantify value during the trade. the introduction of the compass trade routes to be faster. finally, the introduction of a standing navy regulate trade routes.

regarding military affairs, gunpowder was created during this period. this was a tremendous improvement that was widely utilized by the military in order to innovate in the manufacturing of weapons.

no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others