Which participant in european imperialism is being described below?

they began their exploration in the new world trying to locate the northwest passage and later shifted their focus to asia. their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.

dutch
english
french
spaniards

The correct answer is D) Spaniards.

The participant in European imperialism that is being described below is Spaniards.

Spaniards began their exploration in the New World trying to locate the Northwest Passage and later shifted their focus to Asia. Their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.

Under the rule of King Ferdinand of Aragon and Queen Isabella del Castile, explorer Christopher Columbus sailed to explore new routes to the Indias but he arrived at the Americas on October 14, 1492. A new continent for the Europeans had been discovered. The Americas had plenty of raw materials and natural resources such as gold that immediately attracted many new explorations.

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69