In the sentence below, four words are highlighted in bold and numbered 1 through 4. These words may or may not be in their correct positions. From the options, choose the combination of words that need to be swapped to make the sentence grammatically correct and contextually meaningful. If the sentence is already correct as written, choose "No correction required".

Aiming to transform 1) the nation into a global hub for innovation, there are several strategies 2) we must adopt from our nordic 3) partner, Finland, which has the world's most successful 4) education system.

The correct option is No correction required.

To determine whether any words need to be swapped, let us evaluate each bold word in the context of the sentence:
1. transform (1): Functioning as a verb in the infinitive phrase "to transform", it accurately describes the action of converting the nation into an innovation hub.
2. strategies (2): A plural noun that correctly follows the quantifier "several" and fits the meaning of adopting plans or methods.
3. nordic (3): An adjective modifying the noun "partner", accurately referencing Finland's geographical and cultural region.
4. successful (4): An adjective modifying the noun phrase "education system", appropriately describing Finland's well-regarded educational model.

Since all four words are placed in their proper positions and make the sentence both grammatically correct and contextually meaningful, no correction is required.