Hey can someone plz

change one letter in cave to solve each clue:

a curved stick:

Which of the following might cause the inflation rate to spike up sharply? the purchasing power of the average consumer decreases due to a sluggish economy. plentiful rainfall and moderate temperatures result in good harvests of wheat and soybeans. the items in the cpi market basket change to account for changing consumer buying habits. prices on world oil markets rise steeply due to war in the middle east.

What occured in preparations of war

Why do you think that wilson 14 point plan was not put into practice