Answer:
Muhammad's hegira from Mecca marks the beginning of a new polity. For the first time in Arabia members of a community were bound together not by the traditional ties of clan and tribe but by their shared belief in the one true God. Later believers, looking back on this event, recognized its seminal importance by designating it as the first year of their new era. In further recognition of this great event, the oasis of Yathrib came to be called Medina, "the city [of the Prophet]."
<span>Industrialization led to goods being produced at a faster rate, which meant a country that had fully industrialized during ww1 could build a bigger army.</span>
On July 2, 1921, U.S. President Warren G. Harding signed the Knox–Porter Resolution, which had been passed by the U.S. Congress and ended the state of war between the U.S. and Germany, Austria and Hungary, further setting the stage for bilateral peace treaties.
B: Levitts houses were modest but levitts methods cut costs and allowed new owners to posses a part of the American dream
Answer: significnce
Explanation: the word milestone shows that contribution was to an important or significant event.
