How did allies protect ships from german u boats

What were some effects in world war 1 in europe ? ( and only in europe)

2points which excerpt from thomas paine's common sense best represents an attempt to appeal to ethos to persuade the reader? a. the infant state of the colonies, as it is called, so far from being against, is an argument in favor of independence. b. to talk of friendship with those in whom our reason forbids us to have faith is madness and folly. o c. oye that love mankind! ye that dare oppose, not only the tyranny, but the tyrant, stand forth! o d. i am not induced by motives of pride, party, or resentment to espouse the doctrine of separation and independence..

No mercy for the user europa2433 because he or she reports everyone. and its annoying. come on who agrees.