What is the topic of this cartoon?

In which research method does a researcher change the value of one variable to determine how the change affects another variable? a. experiment b. observational research c. survey d. case study

Persuaded congress to adopt the missouri compromise in 1820. 1.) henry clay 2.) white southerners 3.) northerners 4.) thomas jefferson

What are some examples of native americans were impacted by colonization in america