US President Donald Trump told trade officials to address concerns about the country's reliance on imports of processed minerals linked to national security.
The White House said Wednesday that Trump ordered US Secretary of Commerce Howard Lutnick and US Trade Representative Jamieson Greer to negotiate to possibly include price floors on imports of processed critical minerals and their derivatives. These include rare earths. The step aims to diversify and stabilize supply chains of the minerals.
The White House said the minerals are indispensable to almost every industry, including national defense programs and infrastructure.
Chinese processors and miners have dominant market shares in some critical minerals. The US administration is aiming to counter that.

Okay, here are three four-choice quizzes based on the provided article, adhering strictly to your requested format.

Quiz 1:
What prompted US President Donald Trump's actions regarding processed minerals?
A. A desire to lower prices for US consumers.
B. Concerns about reliance on imports linked to national security.
C. A request from the US Trade Representative to expand trade agreements.
D. A need to increase production of infrastructure projects.

Quiz 2:
Which individuals were specifically instructed by President Trump to address the mineral import concerns?
A. Secretary of State Antony Blinken and National Security Advisor Jake Sullivan.
B. Howard Lutnick and Janet Yellen.
C. Howard Lutnick and Jamieson Greer.
D. Treasury Secretary Steven Mnuchin and Secretary of Defense Mark Esper.

Quiz 3:
According to the article, what is a key reason these minerals are considered important?
A. They are essential for national defense programs and infrastructure.
B. They are inexpensive to import and process.
C. They are primarily used in consumer electronics.
D. They are readily available in the United States.

[Answer block]
Answers:
Quiz 1: B
Quiz 2: C
Quiz 3: A