How do people help millions 100 millions of people

What does macbeth see on his way to kill the king?

Drastic boundary changes can occur for all of the following reasons except for a. a shift in the way a river flows b. the collapse of a government system c. a conflict between two neighboring groups d. one country's decision to sell land to another country select the best answer from the choices provide

Distance that the transcontinental railroad covered from omaha to san francisco.