Why is it important to have laws. Why do we need laws

Which indo european tribe developed a strong warrior society and built an empire that was frequently invaded by those seeking fertile land

How would lincoln's assassination change the direction of reconstruction? the radicals used this opportunity to take control of the plans. the south refused to cooperate with any plans after lincoln his death would put an end to all reconstruction plans. lincoln was too weak to carry out his plan and now it could be carried out.

2. what was the dred scott decision about? what do we learn from this supreme court case?