When you think about words such as summer and friendship, usually you would have positive emotions relating to those words. Summer is the time when there's no school, and when you can spend a lot of time with your friends, which makes you happy. Thus, those words will create B. a positive mood.
The Civil War was fought in 1861, so the answer would be D: 1800.
Mistakes are a key part of discovery. If we didn't make mistakes we would never know the difference between right and wrong whether it is in science or in life. How would we know how the world worked without mistaken theories and learning off of those to create a correct understanding of the world around us. If we didn't make mistakes with the people we know and care for then we wouldn't have created the definition of the golden rule. Mistakes are the key to discovery in so many things. There is so much unknown but with our mistakes, we will be able to find out so much more
That's incorrect usage.
You'd say "I haven't seen him"
