The answer is b: have to be voted on by l regestered voters
The excerpt is from Of Plymouth Plantation, the journal by William Bradford who was the governor of Plymouth Colony in 17th century. It is the description of Bradford's account on the Indians named Squanto and Samoset and how they helped the Pilgrims to negotiate with Indian tribe chief. The excerpt shows that the Europeans were strangers for the Indians until the writing recalls the story of two aforementioned characters. They didn't understand the Europeans first and they were somehow trying to be careful. Therefore, the correct options are guarded and wary.
This is heavily disputed, and honestly, it varies on a person-by-person basis. Some people are visual learners (so it's effective for them to use videos and pictures to help them study), some prefer being hands-on, etc...
Generally though, I'd say the most effective method that works for most people is through visceralisation. This is the process of associating concepts, words. phrases etc. with your different senses (sound, touch, images...). You can read up more on it by searching up "visceralisation for studying".
The answer is C. Eating beef with mad cow disease.
A person usually had two kinds of thinking, the is the way of concrete thinking and the other one is through abstract thinking. By concrete thinking, a person will just be able to rely on facts that surrounds that person. This kind of thinking doesn't go beyond facts or not be able to think out of the box. Concrete thinkers always generalized the concept of all things. The abstract thinker on the other hand, they tend to understand things through different meanings, they look things with different perspective. In simplest terms, Concrete thought is based on facts while abstract thought is based on ideas.