B. the outer core is liquid.
Explanation:
(i) Distances can easily be measured with the help of linear scale.
(ii) If the map is photographically enlarged or reduced, the linear scale is also enlarged or reduced in the same ratio and remains true to the map.
There's two things that could be said about this era. First of all the silk road. Using silk for clothing, the Europeans loved this. This began multiple trade routes into Asia. Another thing that comes into mind would be opium. The drug opium made people get crazy fun highs. This grow industry and foreign countries wanted this. Or i could be wrong i mean within SE Asia there's oil but i don't think in colonial times that was very much needed.
The United States contains and is surrounded by many important bodies of
water. Gulf of
Alaska in the north, the Gulf of California in the west, and the Gulf of
Mexico in the south.