Answer:
It has increased rapidly
Explanation:
In 1950 there were around <u>2.5 billion</u> people living in the world, while today that number is <u>7.5 billions.</u>
In most of the developed countries the population has grown rapidly, of course among the other things because health system in those countries has developed and is still developing pretty fast.
For example United States had 150 million inhabitants and now that number has doubled - more 320 millions.
They both have an say in things like legislative branch can declare war but the government which is the executive branch has a say in it too
They took people from Africa and enslaved them
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The power to declare war
Congress declares war.
Hope this helps:)