The persian wars started when emperor darius i began an invasion of greece. what caused darius to decide to attack greece?

This was a war of revenge against the Greeks for daring to stop the Persians' imperial advance

Texas’ gulf coastal plains are the western extension of the coastal plain extending from the atlantic ocean to beyond the rio grande. its characteristic rolling to hilly surface covered with a heavy growth of pine and hardwoods extends into east texas. in the increasingly arid west, however, its forests become secondary in nature, consisting largely of post oaks and, farther west, prairies and brushlands.