The law of conservation of energy is a law of science that states that energy cannot be created or destroyed, but only changed from one form into another or transferred from one object to another.
The correct answer for 1 should be D. It later guided the development of present day international law
Many countries based their laws on Justianians code which had a major influence on today's laws.
The correct answer for 2 should be D. Germanic kings waged of conquest
Many of them conquered parts of roman land and since there were many of them, many kingdoms were established
The correct answer for 3 should be B by reviving the Latin learning
He enabled people to study which spared interest in learning and copying religious scripts and books.