Before Gutenberg, why were books usually very expensive?

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.

Why was the treaty of versailles harsh on germany?

What was going on with south asia before europeans came ?