What british military plan did the colonial victory at saratoga ruin?

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.

What is the main inference that can be drawn from adam smith’s book the wealth of nations?

Why caused john quincy adams to write the monroe doctrine?