Answer:
I'd probably say monolithic domes for 4. They learned how to make a really strong large dome structure that could support a lot of its own weight. I'm not sure for 3 but maybe arches and columns.
Explanation:
Frederick Douglass was an African American abolitionist during the time of the Civil War. An abolitionist is someone who wants to abolish, or get rid of, slavery.
Thurgood Marshall was the Court's 96th justice and its first African-American justice.
Answer: d, last prophet of allah
Explanation: Muhammad is regarded as the final messenger and prophet by all the main branches of Islam who was sent by God to guide humanity to the right way (Quran 7:157).
