Helppp please Which of the following is a definition of the Progressive Era?
A. a period in which some got rich while others stayed poor
B. a time of new laws designed to create a more equal society
C. a time of industrialization and urbanization in America
D. all of the above

B. a time of new laws designed to create a more equal society

Explanation:

The Progressive Era (1896–1916) was a period of widespread social activism and political reform across the United States of America that spanned the 1890s to the 1920s. ... Social reformers were primarily middle-class citizens who targeted political machines and their bosses.

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration