Which new invention of the late 1800's helped ink different parts of cities?

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.

The areas with the highest population density in europe are most likely to be

How did the people of latin america come to speak the language of spanish