(B) is the answer, hopes this helps you
A: Attempts to gain colonies
Early civilizations lacked organized governments and social classes
Answer: No.
Explanation: I would say our government is not very effective because all our government worries about is politics. For example, large government effort is currently being put into the Trump impeachment while we could be doing much more important things.
The correct match are as follows:
1 : World population 1960 <span>: 3 billion people. </span>
2 : World population today : 6 billion people.
3 : Black Death pandemic death toll worldwide <span>: 75 million people</span>4 : United Nation's world population estimate for year 2050 : 10 billion people
