What was not one of the successes of the reconstruction era

One of the principal successes of the reconstruction era was the freedom of African Americans, however, economic equality was not found in the south as white race prejudice persisted. The correct answer is option D. "African-American males gain the right to vote".

part a. there were 250 teenagers surveyed (100% of tenagers = 250)therefore 1 % = 250/100 = 2.5 76% = 1% x 76 = 2.5 x 76 = 190 teenagers of the 250 surveyed liked burgerspart b: jane surveyed 25% (which is equal to 50 teenagers, i.e. a quarter of the teenagers surveyed is 50) to get 100% we simply get 4 quarters, i.e. multiply 50 by 4 = 200 teenagers were surveyed by jane. part c: it is impossible to give an example where a percentage is greater than 100%, since, by definition , percentage means "per 100".

c) troops march forward in close formation against newer, more accurate weapons