Questions

The sonnet is a fourteen-line poem written in iambic pentameter, which employ one of several rhyme schemes and adhere to a tightly structured thematic organization. Francesco Petrarch first popularized the sonnet form and after that many others like Shakespeare, Edmund Spencer and many other started that.

Dr. B.R. Ambedkar received Bharat Ratna in the year 1990.

Brazil is one example of a closed economy in the given options. 

A closed economy is one that has no trade activity with outside economies. A closed economy is self-sufficient, which means no imports come into the country and no exports leave the country. A closed economy's intent is to provide domestic consumers with everything they need from within the country's borders.

Simhika

ADP stand for Army Doctrine Publication.  An official written document that provides established principles in the U.S. Army that support national objectives.