A prepositional phrase typically begins with a preposition, that is a word that specifies the relationship between two concepts, such as "near" or "away"
Here the preposition is "with" and the phrase is "with the proper help" - answer B (the "with" specifies a relation between "they" and "help"
B, the invention of techniques for farming and animal herding
Why was the Tet offensive a turning point in the war?<span>Despite heavy casualties, North Vietnam achieved a strategic victory with the Tet Offensive, as the attacks marked a turning point in the Vietnam War and the beginning of the slow, painful American withdrawal from the region.</span>
They were desperate, despairing
and, urge and desire the need for the Muslim to rule saying, “We like your rule
and justice far better than the state of oppression and tyranny in which we
were. The army of Heraclíus we shall indeed… repulse from the city”. They
wanted and favored the justice and system of the Muslims instead of the
Byzantine’s. In which case, this case the Muslim’s won the battle and the Hims
started to welcome them into their gates.
