They used palm leaves, clay, animal skin and paprus.
Answer: A lack of recognition as a nation by other countries.
Explanation:
The non-recognition of the young Republic of Texas by other countries was certainly one in a series of problems in the new state. The list of problems is certainly much bigger. Texas found itself in financial problems by leaving Mexico's framework, and the state coffers were empty. The non-existence of an education system was also a problem. Texas had previously been involved in a school system run by the Church of Mexico. Texas leaders could not decide where to station the new state's capital, and the citizens insisted that it be a safe and reliable place. These are all problems that the young state was facing.
Answer: Red blood cell arrives from the inferior vena cava into right atrium before it passes through the tricuspid valve into right ventricle. It then passes through the pulmonary valve into pulmonary artery before travelling through the lungs and back into the heart, this time the left atrium via the pulmonary vein.
Explanation: Hope this help :D
