Why was the invention of the magnetic compass important?

It made navigation much, MUCH easier.

Explanation:

Normally, people relied on staying  close  to the shore to avoid getting lost. Only the bold would go out farther.  But with the invention of the  magnetic compass- you could go much further as you had a sense  of direction.  You could still get lost,  but you could likely find your way back.

d) resisting gorbachev’s reforms

they are best known for the cliff pueblos found throughout arizona, new mexico, colorado and utah. and for their development of desert farming.

hope i

-lavira: )