He created a huge political influence and gained a lot of power
The meaning of the phrase cost-effective in the first paragraph of this passage is C. getting the most for the money you spend.
If you insulate and seal air leaks in your home on time, you won't have to think about that in the future. Thus, if you pay a lot of money now, you will save a lot more in the future than if you didn't insulate, and then had to fix stuff around the house all the time, which would waste so much of your money.
d. because a simile is comparing two things using the words like or as.
Explanation:
#1 Duncan liked to color but only with the blue crayon.
#2 Yellow crayon thought he was the color of the sun but orange crayon told him he wasn't.
#3 Purple crayon was happy but Duncan colored with him.
#4 Pink crayon was please but Duncans sister used her.
#5 But duncans crayons were all upset.
hope this helped? the questions kinda confusing. ❤