Question

to the question it answers.
as more people moved to the united states many of these
immigrants brought languages and traditions with them from
other countries around the world
which sentence part has
the most important idea
in the sentence?
?
which part tells what led
to the main action?
?
which part tells where the
languages and cultures
came from?
?

Explanation:

1. The core, most important idea of the sentence is the key action and its focus: what the immigrants did.
2. The part that explains the cause/lead-up to the main action is the context of people moving to the US.
3. The phrase specifying the origin of the languages and traditions directly answers where they came from.

Answer:

• Which sentence part has the most important idea in the sentence?: many of these immigrants brought languages and traditions with them
• Which part tells what led to the main action?: As more people moved to the United States
• Which part tells where the languages and cultures came from?: other countries around the world