The darker the area is the higher the elevation is, therefore those areas probably represent mountain or mountain chain.
The Indian Removal Act of 1830.
This act's main reason was to remove Native American tribes to make more space for the Americans.
While all of those are certainly parts of India's religious culture, the biggest, and most influential Indian religion is Hinduism.
If there is a difference in elevation between the ends of a canal<span>, the channel is built as a series of level sections linked by </span>locks<span>. A </span>lock<span> is a rectangular chamber</span><span> Hope this Helps you.</span>