Match the scenarios with the economic concepts they illustrate. positive externality substitution effect negative externality income effect The rising price of gold causes people to buy silver jewelry instead. arrowBoth When the price of chicken increases, families reduce their chicken intake substantially. arrowBoth A new factory in a village provides livelihoods for the villagers. arrowBoth A new factory in a village causes noise pollution. arrowBoth

hello!

according to the passage the most suitable options are two. the first one is "by leading the aef to victory in several key battles" like the battle of saint- mihiel and the battle of cantigny mentioned in the passage you copied here. the second one is "by the aef and allied forces defeat germany" since the passage says that his army destroy the german resistance in the meuse- argonne offensive. and also, "by insisting that the aef operate as an independent force".

hope this

i would say your answer is a)

sorry if im wrong

i am pretty sure it is a