Explain why trade was an issue for colonial merchants.
?

it was an issue because they had to keep traveling back and forth. And sometimes their would be difficulties with their boats, horses.  People also caught sicknessess and some would die on the journey

Explanation:

Explanation:

trade was an issue for colonial merchants because there was pirates, for example there were spanish bringing coco beans from the aztec empire and there was british ships/ dutch ships that would pirate them so whoever had the strongest navy woulod have better control over colonies which is why brithish came on top.

isaac newton first proposed that earth was not perfectly round. instead, he suggested it was an oblate spheroid—a sphere that is squashed at its poles and swollen at the equator.

the idea of the earth being a flat disc is also inconsistent with the fact that a given lunar eclipse is only visible from half of the earth at a time. the only shape that casts a round shadow no matter which direction it is pointed is a sphere, and the ancient greeks deduced that this must mean the earth is spherical.

sam houston basically made tx he fought for anrew lead troops in the battle of san jacinto and then became president and james polk