They were a vast trade empire and the more land they had, the more resources they had access to. By conquering other nations, they acquired new resources and established a more complete hold on trade routes.
<h2>✧・゚: *✧・゚:* Answer: *:・゚✧*:・゚✧
</h2><h3>✅ </h3><h3>-The United States sent more and more troops to Vietnam in the 1960s.
</h3><h3></h3><h3>-The United States took over the defense of South Vietnam
</h3><h3></h3><h3>-The Gulf of Tonkin Resolution gave the president more authority to get involved in Vietnam</h3><h3></h3>