Because the cause and effect set off the story or really whatever your writing
The steam engine took place in the industrial revolution, which began in the second half of the eighteenth century in the Kingdom of Great Britain.
This significantly transformed the economy, technology, agriculture and trade, because with the arrival of the steam engine the work was industrialized and mechanized
<span>The United States wasn't a country in 1609. Maybe it has to do with the suppressed colonies vs. a new, unified country with a stable government.</span>
forms an executive branch that evaluates all decisions of the government
EMpires used trade for all sorts of reasons a few were to get and sell goods. Another was to exchange information and news. This also connected people far and wide from the main part of the empire. It was easier to rule empires when trade was established