They are used to transfer water efficiently through the towns and cities of Rome.
<span>The law of conservation of energy states that energy can change from one form into another, but it cannot be created or destroyed. Or the general definition is: The totalenergy of an isolated system remains constant over time. ... A device that demonstrates the Law of Conservation of Mechanical Energy and Momentum.</span>
Because when people traveled along these trade routes they bought the plague with them infecting others along the way.
Santa anna was the main figure of the Texas Revolution in the 1830s.
Since you provide no options, one of the effect of santa anna's rise to power is that he lead Texas to revolted and declared independence from Mexico from 1835 - 1836
