The name is Pre-Cambrian era
Light bulbs were the power source used in factories during the industrialization
The British government ruled the territory.
The <span>efforts to produce a system of universal public education reflect the spirit of the age is because of the reasons like the</span> lack of educational facilities for many students, the <span>lack of money to fund educational costs for 'public' students </span><span>as opposed to those who could pay for private schooling, etc. It became a necessary thing to develop and to consider it.</span>
