With aphg! multiple choice! in advance : d the un, when established after world war ii, replaced an earlier global cooperation effort. what was it? a) nato b) warsaw pact c) alliance for peace d) organization of american states e) league of nations

E. League Of Nations

The UN, when established, replaced the league of nations, after world war 2 so another conflict like world war 2 wouldn't ever happen again.

Amath expression is a collection of one or more terms, which are separated by the signs ( + , - , x , / ).example :   8+b8+b  or  a−3a−3in algebra, an equation is a mathematical statement with two expressions where, each expression is separated by an equal (=) sign. variables can be present on both the sides of the equality (=) sign and we use letters to denote such variables.example 1:   x=4+2x=4+2  , [here, we can observe that the variable is present only on one side of the equation].example 2:   2x+3=x+42x+3=x+4  , [here, we can observe that the variables are present on both side of the equation].