In order to be naturalized an applicant must first be qualified to apply for citizenship
African Americans mainly fought on the the side of the patriots during the american revolution.
Taxes can be used to provide citizens services, as well as pay for costs of running the government and what they are governing over. For instance, tax dollars pay for military and roads to be kept. Without tax dollars, where would the money come to pay for roads and our military?
Galileo's heliocentric theory caused great controversy during the scientific revolution because it challenged what the church said was true and it challenged the writings of past astronomers