HELP FAST IN 5 MINS IT CLOSES Zebulon Pike explored lands in Texas that were unknown to most Americans and were not yet a part of US territory.
Which reason explains why his explorations were important?

They encouraged American interest in Texas.

They discovered a river route to the Pacific.

They gave the United States a legal claim to Texas.

They led to military action by Spain against the US.

Ithink it is 4. making colonies. 

The price of oil and inflation are connected in a cause and effect relationship, that is, when the price of oil increases, inflation also increases in an economy. this is because, oil is a major input in the economy, that is, it is used for critical purposes such as fueling of vehicles for transportation, for running of industrial generators and machines, for heating homes, etc.for instance, if the price of oil increases in an economy, it will increase the cost of production for those using the oil in their production processes and they will automatically increase the cost of their products in order to offset the extra costs. this leads to general increase in the prices of products in the market and result in inflation.