Islamic scientists developed Algebra.
They built the first observatory.
They introduced the modern day Hindu-Arabic numeral system.
Answer:
Republican government
Explanation:
Democracy = People vote on a leader, leader makes decision (example, USA)
Republican = The people have the highest power and make the decisions directly and indirectly.
Communism = A dictator makes all the decisions, people get no say
Answer: the answer is c
Explanation:
Nomads who followed herbs of animals
The Santa Anna were angry at the Mexico supplying soldiers at the Alamo because who dominated Mexican history in the 1st half of the 19teen century to such an extent that historians often refer to it as the Age of Santa Anna, he was the man of destiny who loomed over his time like a melodramatic colossus, the uncrownded monarch. Santa Anna 1st opposed the movement for Mexican independence from Spain, but then fought it on support of it.