A referendum held soon after the Battle of San Jacinto showed Texans favoring annexation by a vote of 3,277 to 93. The annexation question became one of the most controversial issues in American politics in the late 1830s and early 1840s. The issue was not Texas but slavery.
The correct answer would be : Vitamin K
Vitamin K really essential in order to create clots that stopped your bleeding. Our body, heavily relied on some sort intestinal bacteria to synthesize this Vitamin in order for it to functioned properly inside our body