Less terroristic attacks.
I think the answer might be the second one but t let me know if I am wrong
1) Santa Anna had signed a treaty to grant Texas independence and Mexico refused to accept this treaty.
2) Texas was bankrupt.
3) Comanches and Indian groups threatened attack smaller Texan communities.
One of the major things that led to the collapse of the German army/navy and their war effort was internal fighting among the Germans themselves regarding tactics.
That is because Engels presented things much worse than they actually were so as to prove a point and spread his ideology. Of course that a little bias was necessary for that since it had to motivate people that they had it worse than they really had it.