The Romans were able to make fountains jet water into the air, by using the pressure of water flowing from a distant and higher source of water to create hydraulic head, or force.
Many slaves were brought to Brazil due to the sugar economy,
which is the primary source of income in Brazil. They also used slaves when the
Portuguese colonizers had discovered gold and diamond deposits in Brazil. Because
of this, Portugal had sent slaves to work on the fields and mines under the Portuguese
colony.
Answer: A.) a Germany unable to threaten France in the future
Explanation: