Sea explorations were made by many countries centuries ago. These were headed by the European countries long back. The impulses or urges that influenced the explorers are to desire to take hold of other land for territorial expansion.
Another very important thing to consider as well was the trading. One country had to exchange products to another country. Hence, there were need for them to cross the seas.
The decision of the price of a good depends on its demand. You can not just produce a certain product without knowing the amount of demand in the market. The demand will depend on the buyer's willingness to pay for the goods.
If you produce and produce products then it might bankrupt you because the price will be low because of the higher supply and no one is buying your product.
Causation I think if I have the right meaning
An oligarchy is a system of government where a small number of individuals government a political entity. These individuals can be elected, but normally they are unelected officials who have been given the rights to lead through authoritarian methods.
Democracies are a system of government whereby systems are put into place to allow individuals to vote for representatives or to vote directly on issues related to their political governance.
Republics are democracies in that they involve elections and representation, however, republics institute certain protections for individual rights and liberties usually in a constitution or founding document to prevent the majority from controlling political decisions.
California. I hope this helped you