Final answer:
Global social inequality is a main issue in the field of social studies. Sociologists study economic comparisons between nations to analyze global stratification and understand factors that contribute to inequality. Social inequality, including discrimination, can worsen economic inequality within and between countries.
Step-by-step explanation:
Global social inequality is a main issue in the field of social studies. Sociologists studying global stratification analyze economic comparisons between nations using factors such as income, purchasing power, wealth, and quality of life. Social inequality, which includes discrimination based on race, ethnicity, gender, religion, or sexual orientation, can aggravate economic inequality within and between nations. Understanding global inequality is important in the context of the global marketplace and the pace of information sharing.