Please help me with 4 questions

Rick is a toddler with an easy temperament and active nature. people are often seen stopping to talk to him in supermarkets and parks where his mother takes him in the evenings because he smiles willingly at other children and adults. this aspect of rick’s behavior most likely reflects a(n) active genotype–environment interaction suppressive genotype-environment interaction passive genotype–environment interaction evocative genotype–environment interaction

Name three things the framers of the constitution did to keep the federal government or any part of it from becoming too powerful.

Which trade organization is responsible for 90% of the world's trade? the eu asean the wto o nafta