I think that these are the answers for your questions.
3. B
4. B
The question is kinda lacking. Probably, it has choices to make the question answerable.
-their brain size increased. This means that they adopted more intelligent traits
-for tools and weapons, they made them more lighter.
-they were the first to create art as hominids
The U.S. Constitution starts with; We, the people of the United States,,,,the SIX GOALS FOLLOW :
IN ORDER TO FORM A PERFECT UNION,
ESTABLISH JUSTICE,
INSURE DOMESTIC TRANQUILITY ,
PROVIDE FOR COMMON DEFENSE ,
PROMOTE THE GENERAL WELFARE ,
SECURE THE BLESSINGS OF LIBERTY TO OURSELVES AND OUR POSTERITY
Explanation:
hope it helps!!!
Fix that grammar my brotha