How long was the development process of the machine for crushing stone

Need asap). based on the government system in the united states, which individual activity is used to directly influence legislative decisions? source: florida department of education. ( a) watching political debates on television, ( b) gathering signatures for a petition, ( c) discussing political issues at work, ( d) collecting opinions for a yearbook. ( question 2) -- i posted a picture of the question and answer choices.