The leaf reflects light and does not emit it.
The best option from the list would be that "<span>He sailed with a group of Vikings to Newfoundland in Canada," since he is considered by many to have discovered North America before Columbus. </span>
The United States of America is considered to have an ambivalent culture. USA is comprised of many states which might be considered to be multi-cultural because of their geographical location. I really hope this would be useful to you.
One of the goals of the middle class is to remain middleclass.