Explanation

• Semiconductors are vital for computers, smartphones, vehicles, weapons, and AI.
• The US and China compete over chip technology, manufacturing, and exports.
• Advanced chips are crucial for national security and economic competitiveness.
• Taiwan is a major hub for advanced chip manufacturing.

Last verified on 21-10-2026

Explanation

• Pakistan recognizes the People’s Republic of China as the sole legitimate government representing all of China and supports the One-China principle.
• Pakistan considers the Taiwan issue an internal matter of China and supports the peaceful resolution of cross-strait differences.
• Pakistan does not maintain official diplomatic relations with Taiwan, reflecting its established diplomatic position.

Additional information:

• Pakistan and China established diplomatic relations on 21 May 1951.
• Their relationship is commonly described by both governments as an all-weather strategic cooperative partnership.

Last verified on 21-10-2026

Explanation

The Great Wall of China was built during the reign of Qin Shi Huang.

He is the First Emperor who united China.

Initially constructed around 221 BC.

The wall was created as a defense against the Mongols.

The length of the Ming Great Wall is 8,851 km (5,500 mi).

The official total length of the Great Wall is 21,196 km (13,170 mi).

Explanation

• China: 1 official time zone (UTC+8), based on Beijing time.

Additional information:

• Canada: 6 main time zones.
• Russia: 11 time zones, the most of any country.

Last verified on 12-10-2026

Explanation

• The Great Wall of China was built mainly to protect against invasions from northern tribes like the Mongols.
• It served as a military barrier and lookout system across China's northern frontier.
• Major construction and rebuilding: Ming Dynasty
• UNESCO World Heritage inscription: 1987

Last verified on 12-10-2026