Describe an action Congress could take if they have concerns about the policy changes described in the scenario, and explain how their action could impact the authority of the
FAA to influence federal policies related to airline safety.

The new Administration will need to work with Congress and the FAA's stakeholders to develop ... complex UAS operations to take place under clearly defined rules created just for the UAS community.

b) Despite geographical barriers, some African states were able to maintain diplomatic and cultural contacts with the broader Afro-Eurasian world.

Explanation:

The continuity of the diplomatic relationships allow trade during 1200-1450 which help the development of what is known as the Swahili coast market.

This Market integrated the following countries:

Kenya, Tanzania, Mozambique, Somalia, Comoros.

The trade had the following dynamic, African countries would sell gold, ivory, species and the Arabs, would sell finished products from china and species from India.

This trade with eurasia was vital in this period to develop the african nations.