A large number of Jews had congregated in and around Madīnah (originally, Yathrib) as they were expecting the arrival of a Prophet mentioned in their books...
In the Sharīʿah of Islām, fighting is legislated as a necessity to remove aggression and hostility shown towards peaceful preaching and conveyance of the message.
Yes, traders [business people] are able to withhold from importing such and such merchandise, or such and such products, or such and such automobiles...
Allāh did not legislate fighting in His Sharīʿah for revenge or tyranny, but only to subdue the forces of polytheism, idolatry, disbelief and oppression to enable people to freely hear the message of Islām and attain salvation.
Now we come to suicide attacks this is what we know from the Japanese and their likes (Kamikaze pilots) when a man would attack an America warship with his plane...
As for what some people do regarding activities of suicide, tying explosives to themselves and then approaching Unbelievers and detonating them amongst them, then this is a case of suicide...