They should be put in jail or have a strong punishment because they burned down the national flag that represents our country. If they are true Americans than they will not burn down the flag. It is the United States of America's flag not ashes.
C. Milky Way should be capitalized because it's a proper title. Earth is tricky in the sense that sometimes it is capitalized and sometimes it is not. Here, it should be because its in relation to other planets.