Condribution of the mortyrs is very important
for the national building why?

Their contribution plays a crucial role in nation building because they sacrifice their lives on the borders and also during the violence or terrorist activity to promote peace in the country..

it may have problems procreating.

delegated (sometimes called enumerated or expressed) powers are specifically granted to the federal government in article i, section 8 of the constitution. this includes the power to coin money, to regulate commerce, to declare war, to raise and maintain armed forces, and to establish a post office.