Me on these 3 questions

which of the following did the south see as its advantage in the war?
a: the south had plenty of cotton for cloth.
b: the south produced more than half of the country's wheat.
c: the army needed supplies.
d: southerners' rural lifestyles better prepared soldiers for war.

which of the following was a war strategy used by the union?
a: stampede
b: blockade
c: bombing
d: air raid

which of the following describes the effect of new military technology on the cival war?
a: more accurate weapons resulted in fewer causalities.
b: more accurate weapons resulted in huge causalities.
c: stromger ships resulted in fewer sea battles.
d: new weapons reduced the need for blockades.

Griffin correctly concludes that the coordinate pair for the russian federation is an influential point, because removing the russian federation from the relationship will significantly change the trend of the regression line. is an influential point, because removing the russian federation from the relationship will not significantly affect the estimated coefficient of determination of the regression line. is not an influential point, because the russian federation does not have the highest cvdir of all 1111 nations in the scatterplot. is an influential point, because removing the russian federation from the relationship will not significantly affect the estimated slope of the regression line. is not an influential point, because the russian federation has a positive residual in the least-squares linear regression.