What military and other actions secured the west for the united states?

What is the order from these fractions of least to greatest 1.64 1 and 7/8 0.070 9/5 pls due tomorrow

Erugent which russian tsar defeat napoleon and saw himself as the leader of european monarchs who opposed revolutionary change ivan the terrible ivan the great nicholas 1 alexander 1

How different might ayuba's experiences of slavery have been had he been sold in jamaica rather than maryland?