Why can an industry that enjoys economies of scale easily become a natural monopoly ?

Choose all that apply during the years of the industrial revolution 1. the average life expectancy decreased 2. the worlds population decreased 3. birth rates decreased 4. the average like expectancy increase

How conditions changed in the american south over the final decades of the 1800s for african americans. consider black politics, black voting, and the rise of segregation

Who was saul? explain his relationship to david and the importance of david to both christians and jews.