Answer:
D is correct because it is the only answer that makes any sense
A. Serbia
Serbia was the only country involved at the time of the incident, the rest of the countries got involved after or never got involved
Brazil I believe because they had control over most of the South American continent / islands
We used popular sovereignty in the United States to ensure that all those who hold some kind of political office are elected to that office by the citizens of the US, who vote for them.
Answer:
B
Explanation:
the practice of selling serfs without land had become commonplace meaning it was an usual thing so that whole statement is wrong making it false