Need help ASAP please and thank you

Which amendment applies to this scenario? the accused has the right to bring his or her own witnesses to testify on his/her behalf?

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

The federal crescent is shaped like what letter