bots - n. a software application that runs automated tasks (scripts) over the Internet.
harass - n. to annoy or bother (someone) in a constant or repeated way
resurgence - n. a growth or increase that occurs after a period without growth or increase
spectrum - n. a complete range of different opinions, people, etc.
troll - n. a person who tries to cause problems on an Internet message board by posting messages that cause other people to argue, become angry, etc.
xenophobic - adj. someone who has a fear or hatred of strangers or foreigners