This is the 15747th most frequent Russian word.
проамериканского
"Проамериканского" means "pro-American."
The word 'проамериканского' is used as an adjective to describe a course or policy influenced by support for American ideas or alignment.
Этот политик придерживается проамериканского курса.
This politician adheres to a pro-American policy.
Here, 'проамериканского' functions as an adjective describing the nature or character of an opinion, showing alignment or favour towards America.
Мнение эксперта было проамериканского характера.
The expert's opinion was of a pro-American nature.
In this context, 'проамериканского' qualifies 'содержания' to indicate that the content of the articles supports or aligns with American viewpoints.