Questions

In the rate ofinflation, disinflation is a decrease –in a nation'sgross domestic productover time, a slowdown in the rate of increase of the generalprice levelof goods and services. It is the opposite ofreflation. When the increase in the “consumer price level” it occurs disinflation and slows down from the previous period when the prices were rising.

Reserve Bank of India (RBI) has formed a High-level Task Force on Public Credit Registry (PCR) for India which will be headed by Yeshwant M. Deosthalee.

In 2010, India's External Affairs Ministry had become the first ministry to have an account on twitter.

The twitter account created was @IndianDiplomacy. This was the first effort by a government ministry to harness the new age internet tools.

From the history,

The Erie Canal was completed in 1800's

The signing of the Declaration of Independence in 1776 and after that the American Revolution was started in the same 1776.

The Iroquios Confederacy was formed early when the Europeans first began comonizing, may be early in 1600's.

So, from the above data of history, Iroquois tribes formed the Iroquois Confederacy was the event that occured first among the options.