NEED NOW In the 1850s, an international conference accepted the Greenwich meridian, located in London, England, as the standard location of the prime meridian. What was the main effect this decision had on cartography? O A. Maps included a longitude line marked as the prime meridian. B. Maps were based with 0° longitude placed in London, England, rather than based on the nationality of the cartographer. C. Maps included the prime meridian to diminish the effect of distortions of land areas to the far north and south. D. Maps were now centered on the prime meridian at 0° longitude

D.

Explanation:

Its not c, maps didn't necessarily state there was a prime meridian, so i dont think it is a, and I don't think maps were ever based around a nation, they were made to see certain areas not to put their nation in the middle.

costa rica canal

explanation:

the answer is "d"

(context) if you were to travel to the middle east and go into peoples homes there would be like 4 generations in there

(more context) i'm pretty sure in the middle east they take loyalty and family bonds very serious

(last bit of context) i'm also positive that extended families are most commonly found in urban areas