What contribution did Jonas Salk make to science in the 1950s?

A.

He invented DDT, the "miracle" pesticide.

B.

He designed the first US satellite.

C.

He developed smaller computers.

D.

He created a vaccine against polio.

In Washington's Farewell Address he warned against this type of relations with foreign countries.

Suppose you work for the government in 1944 and need a new recruitment poster made which agency would you approach

Make the correct match. 1. The Renaissance coincided with 2. Van Eyck's paintings lack any reference to this 3. Brueghel's detailed portraits of daily life are called 4. The people he liked to paint 5. In the painting The Wedding, each person is a 6.

Why did president jefferson ask the american minister in paris to negotiate with napoleon bonaparte over the louisiana territory?

inspired by mahatma gandi, this is successful civil rights leader preferred nonviolent protests and peaceful demonstrations?

When the Mexican liberal Ponciano Arriaga referred to the Indians of Mexico as "proletarians," he was echoing (A) the proclamation of the Young Turks. (B) Marx and Engels. (C) the Declaration of the Rights of Man. (D) the Monroe Doctrine.

Who gave the famous "Cross of Gold" speech that advocated for the coinage of silver? A. James Garfield B. William McKinley C. Booker T. Washington D. William Jennings Bryan

Where did most of the battles take place during the Civil War

How were the New England colonies different from the middle and southern colonies?

How did the Virginia Plan address the issue of representation? Question options: Each state should have an equal number of representatives in Congress. Each state should decide how many members it would send to Congress.