With no First Amendment, protest rallies and marches could be prohibited according to official and/or public whim; membership in certain groups could also be punishable by law.
Explanation:
country is known for its palm oil production
Abuses are often rooted in ethnic problems.
Orville Wright piloted the powered airplane.
A clinical trail
Clinical trials are research studies that explore whether a medical strategy, treatment, or device is safe and effective for humans. These studies also may show which medical approaches work best for certain illnesses or groups of people. - Definition by <span>https://www.nhlbi.nih.gov/studies/clinicaltrials</span>