Any help on these tow questions please

Throughout united states history, new groups of people have been given voting rights. this usually occurs through

During the 1500s,most rulers supported established a. political systems. d. none of the above b. churches c. freedom of speech

Why do you think that historians use the word “revolution” to describe important changes in agriculture? how did the green revolution and other agricultural revolutions change the lives of billions of people? < < read less