Which of the following statements describes a similarity between the conquests of the aztec and inca empires? a. cortes and pizarro both were assisted in battle by the empires’ enemy tribes. b. cortes and pizarro both had weapons that were inferior to those of the empires. c. cortes and pizarro both had the primary goal of spreading christianity. d. cortes and pizarro both were welcomed into the empires’ cities by the emperors

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It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years

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].