C. High quality phones contain rare earth metals that are a more scarce resource and cost more to the consumer.
The 1st option is correct.
In Engel v. Vitale, the courts ruled that prayer was unconstitutional in schools because prayer was considered to be a religious activity.
Answer:
The correct answer is, ¨To help unify the nation after the Revolutionary War, textbooks were written to standardize spelling and pronunciation and to instill patriotism and religious beliefs in students¨
PS:
(If this answers your question can you please vote me Brainliest? Thank you)
