Answer: The time period was from a time ago. At least before they had whiteboards and still when they had to use wooden ovens to keep warm instead of a heater. The chalkboards aren't used anymore and not many teachers refer to children as primary children.
Explanation:
I oppose Kaepernick's actions because he could do so many other beneficial things besides just sit down. He could donate to a multitude of organizations, etc. However, I support his cause.