The factors there are definitely excels upon three like success of the american economy, globalization, information and communication technology, also from the great Paul Romer states: knowledge, labor and capital.
I’m pretty sure the answer is timber
Think of the mantle like a peanut butter sandwich<span>. You have the two pieces of bread and the </span>peanut butter<span> between them. In the </span>mantle<span>, we have two layers of solid rock with heated flowing rock between them. Next is the outer core. •</span>ω•