Solution

Mother tongue helps a person to express his feelings and thoughts most lucidly and intimately. Conquerors try to subdue and control the people of the enslaved territory by enforcing many measures such as the use of force to crush dissent and imposing their own language on them.
From time immemorial the victorious nations have imposed their own language on the conquered people and taken away their own language from them. The Romans conquered many parts of Europe and replaced the local languages with their own language— Latin. Later on Spanish, Portuguese, Italian and French developed from Latin. The Muslim invaders imposed Arabic and Persian on the countries of Asia overpowered by them. In many Arab countries, the local religion and language have disappeared. In India, a new language Urdu developed from a mixture of Persian and Hindi.