No, developed countries aren't facing the challenge of hight birth rates, instead, they are facing problems like: corruption, bad policies, and lack of infrastructure along with conflict from other countries or within their own.
<span>After the first 150 years dynasty lost some of its northern territory to invaders and made them move its capital to the south.
hope this helped ;)</span>
The best words would be cruel and heartless hope this helps
the answer is C they were looking for a safer route to East Asia through the Americas