Block Mountains are tourist attractions.
Block Mountains with ice on top are sources of rivers when ice melt and these provide water for irrigation, transport and industrial development.
Block Mountains modify climate through influencing the formation of orographic rainfall.
Some Block Mountains contain minerals thus lead to the development of the mining industry for example former copper extraction from the Rwenzori Mountains and the current cobalt extraction.
Rivers originating from Block Mountains form waterfalls from which hydro electric power is generated thus helpful for industrial development.
Break in the earth’s crust
Answer:
"Genghis Khan"
Explanation:
The Mongol Empire began from this union of many wandering clans in the Mongol motherland beneath the power of Genghis Khan, whom a committee declared king of all the Mongols in 1206. Such an empire expanded quickly following his rule and that of his descendants, who conveyed incursions in all directions.That vast transcontinental empire combined the East with the West by a strengthened Pax Mongolica, supporting the distribution and transfer of business, technologies, products, and beliefs beyond Eurasia.