Select the phrase/connector from the given three options which can be used to form a single sentence from the two sentences given below, implying the same as expressed in the statement sentences.
The State needs to understand that forests can deliver economic benefits. This can be done by mitigating the impacts of the climate crisis.
1. by mitigating
2. by understanding
3. by impacting
1
Only 1
2
Only 2
3
Only 3
4
Both 1 and 3
5
None of these