Answer:
Hitler caused WW2 because he wanted Germany to conquer Europe. Later on, Germany attacked Poland, which lead to WW2
Explanation:
Based on the interest of Tamara, the quantitative research
that she is doing that involves with determining the causes of public speaking
anxiety among college students belong to the social science approach to communication
research. The social science involves with acquiring knowledge in means of
collecting data that is associated with the social environment.