Answer: They needed to make new laws for our nation because the articles of confederation where weak for our nation they allowed congress to not be powerful which isnt what you want when governing a nation.
Explanation:
A D AND E OBVIOUSLY. HOPE THIS HELPED. YEEEEEEEEEEEEEE
The most important question he couldn't answer is in fact how do organisms evolve. He knew that they evolve over a period of time but didn't know how it occurs and many after couldn't answer it either. Some even stipulated that evolution occurs through use or disuse of organs and the body develops around that, but they couldn't fully understand how it worked.