A fixed factor<span> of </span>production<span> is one who quantity can not be changed. Examples include major pieces of equipment, suitable factory space. A variable </span>factor<span> of </span>production<span> is one whose usage rate can be changed easily.</span>
Social stratification<span> is a society's categorization of people into </span>socioeconomic<span>strata, based upon their occupation and </span>income<span>, wealth and social </span>status<span>, or derived power (social and political). ... Moreover, a social stratum can be formed upon the bases of kinship or caste, or both.</span>
John Brown’s raid on the federal armory at Harper’s Ferry, Virginia (now West Virginia)
Europe, India, and Africa