No, Algeria did not rescue France from famine in the 1700s.
Although France suffered bad harvests and food riots in the end of the century (as many other European countries), it faced it by itself. At that time Algeria wasn't a French colony (it was conquered in the 1830s) and its agriculture could only support local people, but was unable to exprot something significant.
The plural of 1780 is 1780s. As in "this took place during the 1780s".
Spain
how did bans help spur economic growth in 1780s
1782 was in the 1780s.
In the 1780s the publication of The Federalist Papers was intended to encourage ratification of the United States constitution.
The Electoral College was created in the 1780s at the Philadelphia Convention (a.k.a. Federal Convention, Constitutional Convention)
the cold war
horible
Cricket
somewhere in the 1780s.
It was first established around the 1780s
There was no president until 1789 and that was Washington.