The exact date is unknown but between 550 bc and 539 bc.
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>
They believed that the Spanish were sent from heaven, and as such treated them well until the cruelty started. Las Casas also portrays the weapons that the natives use similar to naïve boys.
The service provided by beggars is music.
<u>Option: B</u>
<u>Explanation:</u>
The beggars basically opt music as one of their profession to attract people towards them and depend on it to get money with as such no minimum or maximum amount. Even some do not sing well still they sing in stations, train, buses, traffic area, populated place where they can achieve some food and money by singing or playing music. At some places proper location is provided to them by the authorities on temporary basis, to avoid further any conflict with their team mates and maintain dignity of place without disturbing others. Music gives happiness to beggars, thus they will to perform without any second thought.