PLEASE HELP!! 2 questions .

1. The Hausa economy has rested on the intensive cultivation of sorghum, corn ,millet, and many other crops grown on rotation principles and utilizing the manure of Fulani cattle. -

you can explain how is it similar..

2. Hausa is the most widely spoken language in west Africa. It is spoken by an estimated 22 million people. Another 17 million people speak Hausa as a second language. The Hausa people are found mainly in northwestern Nigeria

this article will :

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.