What were the major construction challenges that the medieval Europeans faced?

The major construction challenges faced by medieval Europeans were war disease and economic status.

Explanation:

The disease spread on the time of the medieval Europeans constructing period is black death which is also known as plague disease.  There was an outbreak of many wars based on religion and pope was threatened and there happened to be loss of many lives. And on the side, the Europeans were threatened by the Mongolians.There exist a very cold climate that had affected the crop pattern and made the crops froze.

Explanation:

The Republic of Texas (en: Republic of Texas) was an independent state in North America, which existed between March 2, 1836 and December 29, 1845, when the annexation of Texas to the United States of America occurred. . Originally New Spain and later Mexican territory, Texas separated from Mexico after the Texas War of Independence. In 1846, the transfer of powers to the United States finally took place, which ended the short-lived republic.

One of its first decisions, as an independent state, was the restoration of slavery, abolished by Mexico in 1829. In 1840 the new republic had more than 11,000 slaves.

The territory of Texas corresponded to the old district of Béjar (San Antonio), which was part of Coahuila and Texas until 1835. After its independence, Texas claimed as its territory all the lands north of the Rio Grande, that is, part of Nuevo Mexico, Chihuahua, Coahuila and Tamaulipas.2