Explanation

The “New START Treaty” was a nuclear arms reduction treaty between the United States and the Russia for the Further Reduction and Limitation of Strategic Offensive Arms.

This treaty entered into force on 5 February 2011.

Additional Information:

“New START” stands for New Strategic Arms Reduction Treaty

On 5 February 2026, the New START treaty officially expired.

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Explanation

• Donald Trump described the US operation in Venezuela in 2025–26 as a modern update of the Monroe Doctrine.

Additional information:

• The Monroe Doctrine was first articulated in 1823.
• It was by President James Monroe to oppose European interference in the Western Hemisphere.

Last verified on 10-02-2026

Explanation

Grand Canyon National Park

• Location: Arizona, U.S.A
• Established: 1919 as a National Park
• Famous For: Deep canyon carved by the Colorado River, colorful rock layers
• Size: Approximately 1,904 km² (735 square miles)

Additional information:

• The park is a UNESCO World Heritage Site.
• It is the one of the 7 natural wonders of the USA.

Last verified on 04-02-2026

Explanation

On January 22, 2026, the Unites States officially complete its withdrawal from the World Health Organization (WHO).

An executive order was issued by US president Donald Trump in this regard.

Reason of withdrawal: WHO’s alleged mishandling of the COVID-19 pandemic

The US had remained member of WHO for 78 years before withdrawal.

Additional Information:

The U.S. became the first country to withdraw from WHO since it was founded in 1948.

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Explanation

The Missouri River is the longest in the United States

It is a river in the Central and Mountain West regions of the United States

Length: Approximately 2,341 miles (3,767 km).

Nicknamed the "Big Muddy" 

Mouth: Joins the Mississippi River north of St. Louis, Missouri.