As a young man, Washington participated in land surveying and fought in the military.
Explanation:
The reasons behind this are that the rest of the options only talk of one event of the mentioned. While this option speaks about both of them, signaling that when he was young he surveyed lands and the fought into the French and Indian war. Without focusing and one, unlike the rest. Thus, this is our correct answer. The rest focused on details and lost the chance to speak of the general idea because they provided complementary information instead of a general perspective.
