Answer:
Inventions like the airplane and machine gun
Explanation:
World War I was so deadly because all of the new weapons that were invented. New technology that was being invented such as machine guns and mustard gas made war deadlier than every war before.
The current president of the USA is Barack Obama. He is a member of the Democratic Party and is the first African American to ever be elected to the presidency.
It helps others to have privacy which is not possible lately
Answer:
The necessity of pursuing happiness [is] the foundation of liberty. As therefore the highest perfection of intellectual nature lies in a careful and constant pursuit of true and solid happiness; so the care of ourselves, that we mistake not imaginary for real
Explanation:
its A
i say its a because the other ones don't evolve the north doing something politically
