2. who are the most influential musicians in an era of either the 50's or 60's to you? 1 paragraph

Charles Edward Anderson Berry.

Explanation:

Charles Edward Anderson Berry (October 18, 1926 – March 18, 2017) was an American singer and songwriter, and one of the pioneers of rock and roll music. With songs such as "Maybellene" (1955), "Roll Over Beethoven" (1956), "Rock and Roll Music" (1957) and "Johnny B. Goode" (1958), Berry refined and developed rhythm and blues into the major elements that made rock and roll distinctive. Writing lyrics that focused on teen life and consumerism, and developing a music style that included guitar solos and showmanship, Berry was a major influence on subsequent rock music.

answer; the population in brazil is very diverse there are many races and ethnic groups

classical republicanism, also known as civic humanism, is a form of republicanism  developed in the renaissance inspired by the governmental forms and writings of  classical  antiquity, especially such  classical  writers as aristotle, polybius, and cicero.