1-Were
2- is
3- is
4- was
5- Are
6- were
7- are
8- does
9- needs
10- is
11- has
12- has
13- received
14- are
15- tastes
17- have
18- is
19-was
20- argues
21- is
22- receive
23- was
24- were
He tends to use more emotional appeals for a greater sense of power
True. they help you understand new vocabulary and that also help you understand what that sentence is about.
I think that number 3 is the answer you're looking for.
