They are not happy about engaging in trade with humans, due to how things went with Mr. Jones.
Answer:
there are other donors which also make great increases
Explanation:
The first few sentences mention how the top three donors accounted for contributions, and then the last sentence talks of other countries that made "substantial increases".
The best option is D studied.
This word denotes a measured, even-handed approach to the issue. So, it should be :Current immigration policy must be studied before new proposals can be made.
A command
Definition: an official order or proclamation issued by a person in authority.
The civil war was fought for the abolishment of slavery, the 13th ammendment states that slavery or involuntary servitude is alloud unless served as punishment for a crime.