Explanation

In May 2022, Frontier Supercomputer of USA beat Japan`s Fugaku to become world fastest supercomputer.

Explanation

Africa has been declared free from wild polio 

ARCC declared Africa " Free of Wild Polio" on 25 August 2020.

ARCC stands Africa Regional Commission for the Certification

Nigeria is the last African country to be declared free from wild polio

while 

According to UNICEF, Pakistan will be polio-free by the end of: 2023

Explanation

on 15 August 2021, the Taliban entered Afghanistan's capital city of Kabul, and took control of the country.

Over the past 12 months, human rights violations against women and girls have mounted steadily.

Explanation

AUKUS, is a trilateral security pact between Australia, the United Kingdom and the United States, announced on 15 September 2021 for the Indo-Pacific region.

Under the pact, the US and the UK will help Australia to acquire nuclear-powered submarines.

Explanation

China has unveiled the world's first high-speed carbon fiber train.

China presented a ground-breaking advancement in high-speed rail technology, cementing its position as a global leader in the sector.

China has unveiled the first carbon fiber-only passenger train in history in July 2024

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