Both of the construction projects required a lot of manpower, so many unemployed men were hired.
Answer: Most likely the industrial revolution.
Explanation: The use of machines in production became more and more prevalent, eventually many factories were built in cities which caused pollution therefore making the air gross.
Answer:
Indus River Valley
Explanation:
Modern day Punjab and Sindh provinces were proven to be the Indus's two largest cities : Harappa and Mohenjo-daro
Hasil hutan adalah segala macam material yang didapatkan dari hutan untuk penggunaan komersial seperti kayu potong, kertas, dan pakan hewan ternak. Kayu adalah hasil hutan komersial yang paling dominan, digunakan di berbagai industri seperti bahan bangunan dan sebagai bahan baku kertas dalam bentuk pulp kayu.
By the United States in March 4, 1789
