I would say the answer is B. Conflict led to its split into two separate kingdoms. Sorry if I am wrong, but otherwise I hope I was helpful for you.
I believe the answer may be D. In taking action, one must not worry about success or failure.
Answer:
a legally recognized subject or national of a state or commonwealth, either native or naturalized.
Answer:
The Columbian exchange, also known as the Columbian interchange, named after Christopher Columbus, was the widespread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas, the Old World, and West Africa in the 15th and 16th centuries. The impact was most severe in the Caribbean, where by 1600 Native American populations on most islands had plummeted by more than 99 percent. Across the Americas, populations fell by 50 percent to 95 percent by 1650. The disease component of the Columbian Exchange was decidedly one-sided.