The main idea of paragraph 2 in Walden is that a. we do not need to worry about too many details.

b. our lives are too complicated, and we should find ways to simplify them.

c. we must be good at calculating in order to succeed.

d. all of the above

i think answer a

Explanation: b sounds subjective and c doesn’t make sense to his main point about life

modal adverbs are used to modify specific verbs that consist of a linking verb (verb of being) and sometimes another verb. examples of modal verbs include can, could, may, might, must, shall, should, will and would.

modal auxiliary. an auxiliary verb characteristically used with other verbs to express mood, aspect, or tense. in english, the most common modal auxiliaries are can, could, may, might, must, ought, shall, should, will, and would. also called modal .

yes its like krisnis like in the air force .