Read the text about the Russian and American currencies and complete the table about the differences between these currencies.

The Russian ruble (RUB) and the United States dollar (USD) are important currencies in the world. They show the strength of the economies of Russia and the United States. Both are used for buying and selling, but they are different in history, value, and global importance.

The Russian ruble traced its roots back to the Russian Empire. The ruble we use now appeared in 1992 after the Soviet Union ended. It shows Russia's change to a market economy. The ruble's value goes up and down a lot because of events in the world and changes in oil prices, as Russia depends on selling energy. The US dollar, on the other hand, appeared in 1792. Now it is the main currency used around the world because of the United States' stable economy.

The value of these currencies is also different. As of the latest data, the USD generally holds a higher exchange rate compared to the RUB.

Both currencies have special features to stop fake money. The Bank of Russia makes ruble banknotes with safety features like holograms and watermarks. The United States Bureau of Engraving and Printing uses detailed designs, security threads, and inks that change colour to protect the dollar.

Even though the ruble and dollar both help people trade and do business, they highlight the unique economic and geopolitical contexts of Russia and the United States.

Write one word or number in each gap.

The Russian ruble

Currency abbreviation: [ ]

Age: young (1992)

Stability: not stable

Value: a lower exchange rate than the United States dollar

Security features: holograms, [ ]

The United States dollar

Currency abbreviation: USD

Age: old ([ ])

Stability: stable

Value: a higher exchange rate than the Russian ruble

Security features: detailed designs, security threads, and colour-changing [ ]