$ABA$ (Abscisic Acid) is called a stress hormone. How does this hormone help plants overcome stress conditions?

(N/A) $ABA$ (Abscisic Acid) is known as a stress hormone because it plays a crucial role in helping plants cope with adverse environmental conditions.
$1$. During water stress,$ABA$ triggers the closure of stomata to reduce water loss through transpiration,thereby conserving water.
$2$. It promotes seed dormancy,which helps seeds survive unfavorable conditions like drought or extreme temperatures.
$3$. It increases the tolerance of plants to various stresses such as salinity,cold,and heat by regulating the expression of stress-responsive genes.