To let us know what the blue horse looks like and to add more description
Answer:
C. Whites built their wealth by oppressing other groups of people.
A comma.
Ex.
"You are supposed to do pages 13-17 in the workbook," he explained.
Answer:The spectacular scenery clears his head and makes him more reflective.
Explanation:The setting is the scenery of mountains, rivers, rain, and mists.
