New adaptations first come about by

In 18th and 19th century natural theology, adaptation was taken as evidence for the existence of a deity.

Explanation:

Historically, adaptation has been described from the time of the ancient Greek philosophers such as Empedocles and Aristotle.Charles Darwin proposed instead that it was explained by natural selection.

anticipatory breach of contract

as the name suggests, an anticipatory breach is a breach of contract before the time of performance. so, if a promisor denies to perform his promise and signifies his unwillingness before the time for performance, then it is an anticipatory breach of contract.

and

actual breach of contract

while an anticipatory breach is before the time of performance, an actual breach of contract is on the scheduled time of performance of the contract. an actual breach of contract can be committed either.

hope this . : )