How do historians define the modern era?

a. the period in world history that began after the end of world war ii

b. the period in history when people first became capable of communication

c. the period of world history that began after the end of the middle ages in europe

d. the present time period, in which people share information using technology

i believe it is B but i’m am not 100% sure

the growing interconnectedness of the world through communication, trade, and the exchange of ideas is an important theme in the history of the 20th and 21st centuries.

explanation:

answer:

won re-nomination with no opposition he also had the support of his party

explanation:

it saw incumbent president andrew jackson, candidate of the democratic party, defeat henry clay, candidate of the national republican party. jackson won re-nomination with no opposition, and the 1832 democratic national convention replaced vice president john c. calhoun with martin van buren.