Select the three regions explored by columbus.
a. philippine islands
b. coast of north america
c. caribbean islands
d. coast of greenland
e. coast of central america
f. coast of south america

i think it is Caribbean islands, coast of north america, and coast of central america

'wind, frigid air hinder firefighting efforts of massive new jersey paper plant fire '

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.