How did the aztecs and cortes interacted with each other

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

How was mussolini able to gain power in italy? he played to the prejudices of the italians. he fought off hitler’s attempt to annex italy. he led a coup to take over a weakened government. he proposed new ideas to solve the economic crisis.

Why do drivers have difficulty seeing side traffic at t-intersections in rural areas?