The country that invaded Iran twice in the early 20th century and in effect gained control over much of its oil was The Soviet Union
Overview
The Soviet Union's invasion on Iran was of strategic purpose in order to ensure the safety of Allied supply lines to the USSR secure Iranian oil fields, limit German influence in Iran (Reza Shah was considered friendly to Nazi Germany) and preempt a possible Axis advance from Turkey through Iran toward the Baku oil fields.
When did the Soviets invade Iran?
The Soviet invasion of Iran was held between 25 August 1941 – 17 September 1941.
What was Iran crisis of 1946?
It was also known as the Azerbaijan Crisis . It was one of the first crises of the Cold War. This sparked out as a result of the refusal of Joseph Stalin's Soviet Union to relinquish occupied Iranian territory.
Abstract
After Germany broke its pact with the Soviets and invaded the USSR in June 1941, the United Kingdom and the Soviet Union jointly occupied neutral Iran as a preventive measure, starting on August 25, 1941, and justified their invasion by the need to use Iran as a gateway for delivery of Lend-Lease supplies to the Soviet Union from British India.
Result
Throughout the remaining war, the United Kingdom and the United States used Iran as an important supply line to the Soviet war effort against Nazi Germany.
To learn more about Iran soviet union click herehttps://brainly.com/question/15776884
#SPJ2