What was the terrorist’s main goal in committing the september 11, 2001, attacks?

to get the united states to recognize al-qaeda as an official government

to kill as many americans as possible and damage the us economy

to incite the united states into a holy war against islamist countries

to force the united states to release thousands of its members from prison

What was the result of president taft's "dollar diplomacy

The authors of the paper "fudging the numbers: distributing chocolate influences student evaluations of an undergraduate course"† carried out a study to see if events unrelated to an undergraduate course could affect student evaluations. students enrolled in statistics courses taught by the same instructor participated in the study. all students attended the same lectures and one of six discussion sections that met once a week. at the end of the course, the researchers chose three of the discussion sections to be the "chocolate group." students in these three sections were offered chocolate prior to having them fill out course evaluations. students in the other three sections were not offered chocolate. the researchers concluded that "overall, students offered chocolate gave more positive evaluations than students not offered chocolate." indicate whether the study is an observational study or an experiment. give a brief explanation for your choice.

Apolitical system in which everyone has a personal say in what a government does is called a