They’ll try to attack targets they believe are softer and less defended. Iran vowed yesterday to retaliate “outside the borders.” Everyone knows Hezbollah is an arm if Iran.
A strong POTUS would hold Iran responsible for Hezbollah’s acts.
Thailand has an active jihadist/Moslem insurgency, mainly low level terrorism (bombs, assassinations) and some attacks on the police/troops, mainly in the South. However, since there are Moslem communities throughout Thailand, they could be used by Hezbollah and others as sanctuaries, training centers, or recruiting grounds (such as happened with the Japanese Red Army being recruited by the German Baader-Meinhoff Gang to carry out operations in Israel).
Hamas, Hezbollah, Al Qaeda and even the Taliban recruit “affinity groups” and individuals outside their main operating sphere. It gives them more of an international “reach”, if only to make connections to other groups/potential allies.