Question

this ensured that the farmers could take up a second crop (used able to/unable to)​

Answer 1

Answer :-

• This ensured that the farmers were able to take up a second crop.

Additional Information :-

• We can use "able to" instead of can, could.
• We can use "unable to" instead of cannot, could not.

Example :

• Renu can speak English fluently.

• Renu is able to speak English fluently.

• Ajay cannot drive car today.

• Ajay is unable to drive car today.

Answer 2

Answer:

able to

is correct answer