There were many different types of literature in the 18th century including Jane Austen's classic novel Pride and Prejudice. Literature in the 18th century also included poems by American writers.

reason for which the french could not scceed in india in the 18th century

Barry Ivker has written:

'An anthology and analysis of 17th and 18th century French libertine fiction' -- subject(s): Erotic literature, French fiction

The new genre of literature was romanticism. It developed as a revolt against the aristocracy of the Industrial Revolution and Age of Enlightenment.

The French currency in the 18th century was the franc. Some coins were named by old names like the Louis (the largest coin).