why the need for unification in both the places india and germany please answer as soon as possible

i asked this question three timies my project submission date is day after tommrow ineed answer as fact as possible

The need for Unification of Germany and India can be attributed to the following reasons:

a. To develop a sense of common collective identity among the people.

b. To bring together politically fragmented units together under one constitution. 

c. To give right to self determination to its people.

d. To establish a sovereign independent nation state.

e. To give a sense of belonging to its people.