Bickering and squabbling between teenagers and their parents is largely caused bya. the generation gap between parents and children. b. adolescents' increasingly antisocial tendencies. c. adolescents' ability to formulate counterarguments. d. ongoing hormonal changes in adolescents.

a and d

Explanation:

i believe the is a riff between age because meny things are differant

alsowe are going through hormone changes and body changes leaving one confused

explanation:

with the profits from the european sales, merchants purchased europe's manufactured  goods, including tools and weapons. then the merchants shipped those manufactured  goods, along with the  american  sugar and rum, to west africa where they were bartered for  slaves.

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