How did the work of Arab scholars and inventors promote European explornation in the 1400s and 1500s

Which is one reason many african nations have not prospered after gaining independence from european colonial powers? a. colonial powers sent their weakest economic advisors to the new countries, and their recommendations were flawed. b. independence left them with weak economies, and many countries have been unable to overcome or recover from these burdens. c. the desert region of the interior is inhospitable to foreign investors, and business interests focused on the coastal mediterranean cities. d. the money endowed upon independence is still tied up in the bank of england, which is hesitant to make loans to struggling nations.

The most important units of the english armies which fought during the hindred years war were composed of

In 66 ce, this group of jews revolted against the romans.