What was the continuous front​

The opposing armies in the west were so vast that they could be deployed across the entire European continent, forming a continuous front. Early in the war, the opposing armies engaged in mobile tactics in an effort to outflank each other, but were countered as opposing troops were brought in to extend their lines.

It's The opposing armies in the west were so vast that they could be deployed across the entire European continent, forming a continuous front. Early in the war, the opposing armies engaged in mobile tactics in an effort to outflank each other, but were countered as opposing troops were brought in to extend their lines.The Western Front was the main theatre of war during the First World War. Following the outbreak of war in August 1914, the German Army opened the Western Front by invading Luxembourg and Belgium, then gaining military control of important industrial regions in France.

Explanation:

the answer is b: the religion they practice.

here's why:

there were many different native american tribes and those with similar characteristics formed a main tribe or nation. each had its own language, religion and customs.

answer: the correct answer is d. a christian revivalist movement in the u.s. during the early 19th century

explanation: the second great awakening was lead by the preachers of baptist and methodist congregations in order to gain support for the protestant religion from the 1790's to 1840's